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Tips

7 Travel Documents You Should Make Virtual Copies Of

By Bennett Kleinman
Read time: 4 minutes
May 6, 2024
Updated: May 6, 2024

7 Travel Documents You Should Make Virtual Copies Of

By Bennett Kleinman
Author
Bennett Kleinman
Bennett is a New York City-based staff writer for Daily Passport. He previously contributed to television programs such as the Late Show With David Letterman, as well as digital publications like the Onion. Bennett has traveled to 48 U.S. states and all 30 Major League Baseball stadiums.

Proving your identity is part of traveling, whether you’re checking in at a hotel or navigating through airport security. There are few things more frustrating than misplacing an important travel document, especially if you’ve already left the house and are headed toward your destination — or even worse, you’re stranded in another country without the documents you’ll need to return home. Thankfully, you can take steps beforehand to help mitigate that potential stress. Here are seven common travel documents you should make virtual copies of before your next trip.

Passport

Traveler holding passport and ticket at airport
Credit: Yiu Yu Hoi/ DigitalVision via Getty Images 

Passports are the most essential document when it comes to international travel — if you lose yours, you’ll likely end up stranded in a foreign country until you can procure a replacement. While virtual copies of your passport won’t help you get past border control and onto the plane, having a scanned copy handy will expedite the process of getting a new one. Keep an image stored on your phone, in the cloud, or even on a spare USB drive. If you lose your passport, bring that copy to the local consulate (along with any other identification) to help expedite the replacement process.

Driver’s License

Car passenger admiring view out of window
Credit: Vera Vita/ Moment via Getty Images 

Much like a passport, driver’s licenses can be essential for proving your identity on the road — for example, if you’re checking into a domestic hotel, picking up train or bus tickets, or, most importantly, renting a car. But what happens if your wallet is nowhere to be found? Be sure to keep a legible copy of both the front and back of your driver’s license stored in an easily accessible virtual location. That way, if you drive hundreds of miles to your hotel only to find that you left your license at home, the front desk will likely be able to take a look at the virtual copy and easily check you in.

Travel Visa

Traveler sitting on railing along river
Credit: Westend61 via Getty Images 

Tourist visas are a necessity for gaining access into certain countries. Fortunately, many nations have switched to electronic visas, but it’s worth printing out multiple copies and storing them in various locations such as your wallet, backpack, and suitcase — just in case. If you’re dealing with a physical visa, be sure to scan the document and save it to your phone or the cloud so you can still gain access to your destination should you lose the actual physical visa.

Credit Cards

Person holding credit card and cell phone over backpack
Credit: Rasulovs/ iStock via Getty Images 

No traveler likes to imagine the scenario of being stranded abroad without having a means of paying for anything. If you accidentally leave your wallet behind, it’s good to have a virtual copy of your credit card handy just in case — or better yet, add it before your trip to a digital payment service such as Apple Wallet or Google Pay. This allows you to pay if you can’t physically swipe the card (or, worst case, read out your card’s number to the cashier or front desk).

Medical Prescriptions

Traveler packing medicine in suitcase
Credit: petrunjela/ E+ via Getty Images 

When traveling, losing critical medical information could lead to major health complications. That’s why it’s important to bring virtual copies of any necessary medical prescriptions with you. Should you lose your medicine, you can show the copies of your prescription to a local doctor, and they should be able to more easily help you replace your meds.

Proof of Insurance

Person looking at phone while riding train
Credit: RossHelen/ iStock via Getty Images 

Unexpected complications can arise at the most inopportune times on vacation. To make those situations less stressful, come prepared with copies of your health and travel insurance plans. Insurance plans can be many pages long, so you can keep a copy of the document on the cloud rather than print it out and carry it with you.

Tickets

Close-up view of airport agent and traveler reviewing ticket at check-in counter
Credit: Kathrin Ziegler/ DigitalVision via Getty Images 

Most tickets are issued electronically these days, making them easy to find in your email or on your phone, but some situations may still require paper tickets. In that case, you should always come prepared with copies of those tickets just in case you misplace them. You can show those copies to an attendant at the customer service desk along with identification, and they should be able to issue you a replacement ticket without much difficulty.

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Culture

The World’s Happiest Countries All Share This in Common

By Rachel Gresh
Read time: 4 minutes
May 6, 2024
Updated: May 6, 2024

The World’s Happiest Countries All Share This in Common

By Rachel Gresh
Author
Rachel Gresh
Rachel is a Washington, D.C.–based travel and lifestyle writer with roots in the Great Lakes region. When she’s not writing for publications such as The Discoverer and Interesting Facts, you’ll find her wandering through museums or exploring destinations off the beaten path.

According to the 2024 World Happiness Report, citizens of Northern Europe are happier than ever. This year, all five Nordic countries — Finland, Denmark, Iceland, Sweden, and Norway — made it into the top 10 of the list. And the Nordics are no strangers to being on top — this is Finland’s seventh consecutive year in first place. The World Happiness Report is based on data from more than 140 countries using citizens’ self-assessed life evaluations. One of the most important factors in overall Nordic happiness is that, across the board, people in all age groups are happy. The report reveals that low happiness inequality among citizens makes everyone happier. So, what is making everyone in Northern Europe so content? Here’s a closer look at why Nordic citizens are so happy.

Caring Communities

Traditional Finnish wooden houses in Porvoo, Finland
Credit: Enadin/ Shutterstock 

You might be thinking, how are the happiest places on Earth also some of the coldest and darkest? The World Happiness Report survey reveals a surprise: Weather is not much of a factor in happiness. In fact, those long winter days might have influenced a cornerstone of the Nordic lifestyle, hygge — a Danish word for creating a warm atmosphere and enjoying the good things in life with good people. So if weather doesn’t impact happiness, what does?

For starters, Nordic nations foster tight-knit communities with an emphasis on the well-being of the entire population. Because of this, they ranked highly under the “social support” and “generosity” variables. In the global survey, participants were asked, “If you were in trouble, do you have relatives or friends you can count on to help you whenever you need them, or not?” The majority of respondents replied “yes.” Having a high level of trust and caring among citizens leads to social cohesion, which makes communities happier and more successful.

Nordic residents are also generous, and philanthropy is a pillar of the Nordic lifestyle. Most respondents answered “yes” when asked if they had donated to a charity within the last month. Cultivating a philanthropic lifestyle helps those in need, builds community trust, and creates a more pleasant environment for everyone. 

Wellness-Based Living

Sheep grazing next to water in Faroe Islands
Credit: Roberto Moiola / Sysaworld/ Moment via Getty Images 

Nordic countries have some of the longest life expectancies in the world, averaging between 80 and 85 years. Wellness is woven into everyday life: walking or biking instead of driving, taking saunas and cold showers, and following diets of locally sourced food. Nations such as Denmark and Sweden are also leaders in green living, ranking highly on the list of most environmentally conscious countries, according to U.S. News & World Report. 

Green living goes hand-in-hand with the outdoorsy lifestyle enjoyed in this region, a concept known as friluftsliv (pronounced free-loofts-liv), which translates to “open-air living.” As one Swedish resident explained to the BBC, “Even after we became more urbanized we had this longing to get back to nature, and for the last 100 years, a lot of voluntary organizations like the Scouts and the tourist boards have organized and educated people about how and why to spend time outdoors.” 

Public Policy

View of Frakirkjan church and other buildings across body of water in Reykjavik, Iceland
Credit: Matthew Micah Wright/ The Image Bank via Getty Images 

The majority of citizens in Nordic countries believe in equal opportunities for all, which may be a key factor in why Iceland was the first nation to elect a female president. These countries also provide a social safety net for their citizens, including child benefits, parental leave, health services, hospitals, and care for the sick, unemployed, and senior citizens — all paid for by the government. 

These countries boast some of the longest parental leave policies in the world, with Sweden leading the way and granting citizens 480 days of paid leave. (Each parent receives 240 days, or single parents are entitled to the full 480 days.) Nordic cities are also famously family-friendly, boasting ample affordable public transportation and plenty of playgrounds for children. According to the chief city design officer of Helsinki, Finland, access to spaces for children to play is “something that everyone has a right to — it is like a basic service of urban life.”

Wealth Satisfaction

Colorful buildings lining cobblestone square in Stockhom Old Town
Credit: f11photo/ iStock via Getty Images 

Money doesn’t necessarily equate to happiness — some countries in the World Happiness Report had high GDPs but low happiness rankings — but in the case of the Nordic countries, it helps. Gross domestic product per capita was one variable used in the report to measure happiness. Economists use it to gauge the prosperity of a nation (as the country’s economic output per person). Countries with the highest GDPs tend to be more developed and industrialized. 

In 2023, all Nordic countries ranked in the top 10 of the highest GDPs in Europe. A high GDP per capita is indicative of an affluent market, meaning that most citizens earn comfortable wages, and luxury goods and high-end services are more available. This drives happiness and satisfaction while bolstering the economy. Because of this, the Nordic luxury goods market is projected to grow even further, earning more than $7 billion in 2024.

Featured image credit: Credit: JaySi/ iStock via Getty Images 

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Tips

Airlines Now Have to Refund You for Flight Delays — Here’s What’s Changing

By Peter Vanden Bos
Read time: 4 minutes
May 6, 2024
Updated: October 16, 2025

Airlines Now Have to Refund You for Flight Delays — Here’s What’s Changing

By Peter Vanden Bos
Author
Peter Vanden Bos
Peter is a Toronto-based journalist, editor, content strategist, and self-professed avgeek with 15 years of experience covering all things travel. Prior to joining Daily Passport, he oversaw newsletter publication for Travelzoo. His favorite destinations to explore include Japan, France, Chile, New Zealand, and his adopted home country of Canada.

Picture this all-too-familiar scenario: You’ve spent months researching the best airfare deal and finding the best flight times, only to have the airline change your schedule, or worse, cancel your flight the day of travel. And when you call the airline, you have to jump through endless hoops to get your money back. Fortunately, those headaches should soon be a thing of the past, thanks to new rules the Department of Transportation (DOT) implemented in October 2024 that offer U.S. flyers a new set of protections for delayed or canceled flights, delayed bags, and other flight disruptions. Here’s a rundown of the new regulations.

Automatic Refunds for Delayed or Canceled Flights

Traveler looking at flight departure and arrivals board at airport
Credit: Yelizaveta Tomashevska/ iStock via Getty Images 

The big news is that, for the first time, the DOT has set a clear definition of what counts as a “significant” flight change. Previously, each airline was allowed to decide on their own policy, creating confusion for passengers and limiting the amount that airlines actually ended up refunding in the case of delayed or canceled flights

With the new rules, passengers are entitled to a full refund if a domestic U.S. flight is changed by three or more hours (or an international flight is changed by six or more hours) for any reason — not just “controllable” events such as aircraft maintenance or crew availability. The same goes if the flight is outright canceled. The caveat is you won’t get a refund if the airline offers you alternate travel arrangements and you accept and fly the new routing. If you refuse to fly, however, you are entitled to a refund.

The new regulations also set parameters for other significant changes. These include a flight arriving or departing from a different airport, a layover being added to your itinerary, being downgraded to a lower class of service than the one you purchased, or being rerouted to other airports or on other airplanes that are less accessible to those with disabilities. 

Related: 26 Rules for Flying in 2026 Every Traveler Should Follow

Refunds for Bag Delays and Other Disruptions

Luggage on airport baggage claim carousel
Credit: simonkr/ E+ via Getty Images 

In addition to delays or cancellations for the flight itself, travelers are now protected in the event of delayed baggage. If a checked bag does not arrive within 12 hours following the arrival of a domestic flight or 15 to 30 hours after an international flight (depending on flight length), the passenger is entitled to a refund of any baggage fees. However, the passenger must file a mishandled baggage report with the airline. 

The new rules also cover extra fees paid for in-flight services. If you pay extra for seat selection, Wi-Fi, or in-flight entertainment and do not receive those services, the airline has to provide you with a refund. 

Travel Credits in Other Circumstances

Traveler standing at airport check-in counter
Credit: Chirayu/ iStock via Getty Images 

Let’s say you get seriously sick just days before your flight and wish to reschedule. Often, airlines charge change fees or a hefty fare difference to change your flight on such short notice. But with the new rules, if a medical professional advises you not to travel because of a communicable disease, airlines must provide you with a travel credit or voucher for the amount you paid. (You may have to provide documentation, such as a doctor’s note.) Additionally, if government restrictions in another country prevent you from traveling, airlines are now required to provide a travel credit valid for five years.  

New Refund Requirements for Airlines

Zoomed-in image of person working with laptop computer and calculator
Credit: LumiNola/ E+ via Getty Images 

One of the biggest hassles with refunds for delayed flights is how long the process can take. The new DOT rules aim to improve that experience for passengers by requiring airlines to automatically issue refunds for affected flights, without passengers having to request them. 

Airlines are required to issue prompt refunds — within seven days for credit card payments and 20 days for other methods of payment — as well as return the full amount of the ticket price, less any travel already completed. Per the rules, flyers affected by delays or cancellations will also now receive notifications from airlines that explain their rights to a refund. 

The Department of Transportation announced its final ruling on April 24, 2024, and the regulations went into effect in October. However, airlines have six months to implement the automatic refund rule and 12 months to implement the travel voucher rule for medical reasons. 

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Culture

7 of the Quirkiest Road Stops in the U.S.

By Bennett Kleinman
Read time: 6 minutes
May 2, 2024
Updated: November 22, 2024

7 of the Quirkiest Road Stops in the U.S.

By Bennett Kleinman
Author
Bennett Kleinman
Bennett is a New York City-based staff writer for Daily Passport. He previously contributed to television programs such as the Late Show With David Letterman, as well as digital publications like the Onion. Bennett has traveled to 48 U.S. states and all 30 Major League Baseball stadiums.

Whether you’re on a long road trip or taking a short drive through the countryside, chances are you’ll need to pull over and refuel before too long. While you can always stretch your legs at any old gas station, why not make a pit stop that’s far more interesting? America is full of unusual roadside attractions, from larger-than-life truck stops to vintage car museums. Heck, there’s even a castle dedicated entirely to dairy. So the next time you find yourself driving down the highway, keep an eye out for some of America’s quirkiest and most fascinating roadside rest stops — including our seven best picks below.

Iowa 80 Truckstop – Walcott, Iowa

Entrance to Iowa 80 Truckstop billing itself as the "world's largest truckstop"
Credit: Matt Fowler/ Alamy Stock Photo

2024 is a big year for this roadside trucking mecca, which is celebrating its 60th year in operation. Over those six decades, the Iowa 80 Truckstop has earned its reputation as the “World’s Largest Truckstop,” and for good reason — there are more than 900 parking spots for trucks alone. 

Truckers can venture inside the truck stop — located alongside Interstate 80 in the town of Walcott, just a few miles west of the Iowa-Illinois border — and take advantage of a wide array of unexpected amenities. They range from dentistry to laundry, an in-house chiropractor, a barber, and even a movie theater. But you don’t have to be a professional long hauler in order to visit — the Iowa 80 Truckstop serves 5,000 customers a day from all walks of life. Grab a bite at the family-owned Iowa 80 Kitchen or buy some merchandise at the expansive gift shop to commemorate your visit.

The highlight of this wacky highway oasis, though, is the Iowa 80 Trucking Museum, a vast exhibit hall loaded with antique memorabilia and vintage trucks, showcasing the storied history of the American trucking industry. While the museum is open year-round, July is a particularly popular time to visit and attend the annual Walcott Truckers Jamboree. Highlighted by truck beauty contests and the Trucker Olympics, this popular event celebrated 45 years of festivities in summer 2024.

Hollow Mountain – Hanksville, Utah

Utah's Hollow Mountain road stop carved into a mountainside
Credit: Jim West/ Alamy Stock Photo

Given its location between Capitol Reef and Canyonlands National Parks, you may assume that Hollow Mountain is a stunning natural landmark in itself. But in reality, it’s a roadside rest stop — and one of the country’s more unusual ones. In 1984, 2.5 tons of dynamite were used to carve out space for a convenience store inside a mountain in central Utah. The result was perhaps one of the oddest mini marts you’ll find, as you can purchase snacks, drinks, and beer all within the confines of a giant rock. Even parts of the ceiling are made from low-hanging exposed rock, so be sure to watch your head while winding through the aisles.

Tamarack – Beckley, West Virginia

Local art for sale inside Tamarack marketplace in West Virginia
Credit: Charles O. Cecil/ Alamy Stock Photo

The Tamarack Marketplace is known for highlighting artistry from local craftspeople in West Virginia. Ground was officially broken on the rest stop in 1994; by 1996, the marketplace was already selling works of art from 1,300 local vendors to the 450,000 visitors who had passed through. Today, Tamarack — located just west of Interstate 64 toward the southern portion of West Virginia — showcases over 20,000 works of art from 2,800-plus artists from all of West Virginia’s 55 counties, making it one of the premier places to go if you’re looking to support local artisans in the Mountain State.

Visitors can even try their own hand at crafting goods, like booking some time with the resident glassblower to learn how to blow glass. After a long day of driving you may be feeling peckish, so head over to the onsite eatery and try some of their legendary chicken pot pie or a fried green tomato sandwich, which has been delighting guests at Tamarack since it opened 30 years ago. 

Russell’s Travel Center – Glenrio, New Mexico

Driving down Historic Route 66 is a bucket list item for many Americans, and you’re bound to encounter many memorable sites along the way. But one of the more unusual landmarks along this legendary route is Russell’s Travel Center in Glenrio, New Mexico, which first opened back in 1971.

While this rest stop may appear to be fairly normal on the outside, the real highlight is the free vintage car museum on the inside. Upon walking in, you’ll feel like you’re back to 1950s America when you see the statues of iconic legends such as Elvis Presley. Highlights of the museum include the vintage chrome-plated vehicles, antique gas station paraphernalia, and classic car posters lining the walls from floor to ceiling.

If retro cars aren’t your thing, the onsite vintage-themed diner is known for serving up delicious hatch green chile sauce — a local favorite using New Mexican-grown chiles — to accompany any dish. Popular menu items include ribeye steaks and chicken fried steaks, which will fill you up and keep you energized for the long drive ahead.

Mars Cheese Castle – Kenosha, Wisconsin

Sign for Mars Cheese Castle in Kenosha, Wisconsin
Credit: D Guest Smith/ Alamy Stock Photo

The sight of this giant roadside castle along I-94 between Milwaukee and Chicago might come as a surprise. But once inside, you’ll realize what makes Mars Cheese Castle so special. The business first opened in 1947, though it wasn’t until 2011 that the building was fully renovated to look like a medieval fortress. This includes faux stained glass windows, suits of armor on display, and large feasting tables that are straight out of King Arthur’s Court. 

But the medieval-style decor is just one piece of the puzzle. When it comes to cheese, your options include everything from Wisconsin-made cheddar to international cheeses that are harder to come by. The store also gets a shipment of locally-made, farm-fresh cheese curds each morning, so be sure to arrive early and grab a bag for yourself. There are also plenty of craft beers for purchase, including brews from the locally-loved (and Wisconsin-exclusive) New Glarus Brewing Company.

Pops 66 Soda Ranch – Arcadia, Oklahoma

Giant soda bottle installation, seen at night, at Pops 66 Soda Ranch in Arcadia, Oklahoma
Credit: StockPhotoAstur/ Alamy Stock Photo

On Route 66 in Oklahoma, you’ll often find yourself driving for hundreds of miles and only see open sky. But then, you may notice a glowing beacon on the horizon — in the shape of a 66-foot-tall, four-ton LED soda bottle. If you see that unusual sight, that means you’ve arrived at Pops 66 Soda Ranch in Arcadia. 

This full-service eatery is best known for its vast selection of over 600 bottled sodas, pretty much guaranteeing that you’ll find a flavor to quench your thirst. Since the rest stop opened in 2007, the top seller has proven to be root beer, of which there are over 80 varieties sold in-house. If you’re feeling adventurous, Pops is also known for its untraditional flavor offerings, including teriyaki beef jerky and ranch dressing sodas.

Peggy Sue’s 50’s Diner & Diner-Saur Park – Yermo, California

Entrance to Peggy Sue’s 50’s Diner & Diner-Saur Park in Yermo, California
Credit: StockPhotoAstur/ Alamy Stock Photo

In 1954, a restaurant opened just off I-15 in Yermo, California, serving hungry drivers until closing down several years later. In 1987, a husband and wife team reopened a new restaurant in the same space, though the decor was anything but modern. Peggy Sue’s is a retro diner that looks straight out of the ‘50s — think vintage diner booths, a working jukebox, and a wait staff dressed in retro garb from head to toe.

The new owners hoped to recapture the classic feel of the original diner, and the menu takes that notion one step further. It’s full of dishes named after old pop culture icons, such as the Buddy Holly bacon cheeseburger and the Sid Caesar hot pastrami. And, of course, you can treat yourself to some old-fashioned milkshakes made from real ice cream.

If the 1950s vibes are unique enough, things get particularly odd outside. That’s where you’ll find the punnily named Diner-Saur Park, containing several 10-foot-tall metal dinosaur statues, plus one of King Kong. Peggy Sue may be the first — and only business — to combine 1950s retro with dinosaurs, so be sure to add it to your next road trip itinerary.

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Tips

6 Things You Should Never Pack in Checked Luggage

By Daily Passport Team
Read time: 5 minutes
May 2, 2024
Updated: June 4, 2026

6 Things You Should Never Pack in Checked Luggage

By Daily Passport Team
Author
Daily Passport Team
Daily Passport writers have been seen in publications such as National Geographic, Food & Wine, CBC, Condé Nast Traveler, and Business Insider. They're passionate about uncovering unique destinations and sharing expert tips with curious travelers.

Packing mindfully can take much of the stress out of the start of a vacation, ensuring you pass through the airport without a hitch. Though you might try to limit yourself to carry-on baggage, it’s not always possible to do so. Whether you’re embarking on an extra long vacation that requires more clothing or hoping to bring large souvenirs home, you might find yourself needing to check a bag. Regulations governing what passengers can and cannot carry vary considerably between checked and carry-on baggage. To help you prepare for your next trip, we’ve compiled a starter guide to six things you should never pack in your checked luggage.

Passports and Other Valuables

Zoomed-in image of passengers holding passports and airplane tickets
Credit: hxyume/ E+ via Getty Images 

According to a report published by the aviation experts at SITA, baggage mishandling is far from an isolated problem. In 2022, around 26 million bags were lost, damaged, or delayed — a figure which equates to about 7.6 bags for every 1,000 passengers. Delayed bags accounted for around 80% of that figure, with European airports performing considerably worse than those in North America or Asia. 

Although you’re likely to be reunited with your checked suitcase within a few days, it’s never a good idea to pack anything valuable in it, just in case. That means keeping the important things with you: passports and other paperwork such as supporting documents for visas, cash, jewelry, and anything of sentimental value. When packing, think about the type of activities you’re about to embark on, too. If you couldn’t do without something on day one of your vacation, such as hiking boots or swimwear, consider carrying it on the airplane

Essential Medicines

Traveler packing medicines in luggage
Credit: mixetto/ E+ via Getty Images 

The Transportation Security Administration (TSA) permits most medical-related items in checked luggage. If you need to carry inhalers, EpiPens, or insulin, for example, there are no rules preventing you from packing those items in your suitcase and having it meet you at your destination. 

Nevertheless, it’s wise to carry any essential medicines with you, particularly if there’s a tight connection involved. Though delayed luggage usually turns up eventually, that’s no consolation if the medication you need is unavailable or hard to acquire at your destination. To be absolutely sure liquids aren’t confiscated by mistake, make sure such medicines are clearly labeled and carry documentation from your medical practitioner that clarifies their purpose. 

Dried Coconut — and Other Flammables and Hazardous Materials

Zoomed-in shot of traveler packing luggage
Credit: staticnak1983/ E+ via Getty Images 

Dried coconut is prohibited from checked luggage, but perhaps not for the reason you expect. Copra, the name for the dried flesh of a coconut, contains a high proportion of oil, which means that this seemingly innocuous item is actually flammable. So on the off chance you happen to be traveling with some, don’t expect to be able to carry it in your checked suitcase. 

Likewise, objects such as aerosols are closely scrutinized as they often contain flammables, too. Nozzles must be protected by a cover to prevent the accidental release of their contents. The FAA’s guidance states that flammable aerosols that don’t qualify as medicinal or toiletries are not permitted in checked (or cabin) baggage. A diverse range of other items — such as bear spray (though not pepper spray), paints and solvents, children’s chemistry sets, mercury thermometers, and lighters with fuel — are also classified as hazardous material by the FAA and can’t go in the hold.

Lithium Batteries 

Traveler taking bag from baggage carousel
Credit: BrianAJackson/ iStock via Getty Images 

It’s hard to imagine getting through modern life without the aid of lithium-ion batteries. They power a wide range of electronic devices, including laptops, cell phones, tablets, and power banks, as well as personal items such as hair styling gadgets and toothbrushes. But if lithium batteries are faulty or short-circuit, they can overheat and even catch fire. 

Between March 2006 and March 2024, the FAA reported 476 flight incidents involving smoke, fire, or extreme heat emanating from lithium-ion batteries. For this reason, they aren’t routinely allowed in the hold of an aircraft. Instead, you’ll be asked to carry any spare lithium batteries with you into the cabin. This is because if an incident were to occur, any smoke is more likely to be detected before the situation escalates into a fire. Flight attendants would be able to respond much more quickly, protecting those onboard. 

Electronics 

Traveler packing laptop in suitcase
Credit: Oscar Wong/ Moment via Getty Images 

Similar regulations concerning electronics are largely in place to avoid the risk of a fire breaking out in the hold. Portable electronic devices such as cameras, cell phones, and laptops contain lithium batteries and, as such, pose a risk to those on board if they are left switched on. 

Technically, passengers are allowed to transport such items in checked bags if they are switched off (as opposed to being placed in sleep mode). However, as these types of electronics are often expensive, you probably won’t want to let them out of your sight during the journey, which rules out transporting them in the hold. Also be aware that some items classed as electronics are never allowed on any flight, regardless of checked or carry-on baggage. Examples include e-cigarettes and vaping devices.

Certain Personal Care Items

Airport check-in agent tagging luggage
Credit: sebastianosecondi/ Shutterstock 

Looking good while on vacation is an important consideration for many of us. If you have a tried-and-tested routine, you may not wish to rely on the personal care items the hotel provides. Instead, you might prefer to carry your own hair straighteners or curling tongs, for example. 

Corded items are accepted in the hold, but if you can’t plug it in, it can’t go in your checked baggage. That’s because of the way such cordless devices are powered. Some use a gas such as butane, which is flammable. (Incidentally, you are permitted to carry one gas cartridge into the cabin, though a safety cover must be fitted and you won’t be able to take a refill.) Other cordless hair curlers or straighteners rely on lithium batteries, which make them similarly problematic for air travelers. 

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Architecture

These Are America’s Most Lavish — and Expensive — Hotel Suites

By Daily Passport Team
Read time: 6 minutes
April 30, 2024
Updated: August 30, 2025

These Are America’s Most Lavish — and Expensive — Hotel Suites

By Daily Passport Team
Author
Daily Passport Team
Daily Passport writers have been seen in publications such as National Geographic, Food & Wine, CBC, Condé Nast Traveler, and Business Insider. They're passionate about uncovering unique destinations and sharing expert tips with curious travelers.

In the world of high-end hotel suites, luxury knows no bounds. When shelling out for the country’s most lavish penthouses, guests get what they pay for — private pools, custom-made furnishings, curated artworks, personal butlers, and gourmet dining experiences are just some of the high-end amenities they can expect. While the price tags on these suites might be far out of reach for the average traveler, it doesn’t hurt to indulge in a little bucket list dreaming. Here are six of the most extravagant hotel suites you can book in the U.S.

Empathy Suite at Palms Casino Resort – Las Vegas, Nevada ($50,000 per Night)

Penthouse Suite with views of Las Vegas Strip at Palms Casino Resort
Credit: Photo courtesy of the Palms Casino Resort 

A go-to for Sin City high rollers, the Empathy Suite at Las Vegas’ Palms Casino Resort was designed by renowned artist Damien Hirst. The $50,000-per-night “sky villa” offers much, much more than just two king bedrooms within its generous 9,000 square feet footprint. The glitz and glamor of the Vegas strip is on full display through the Empathy Suite’s floor-to-ceiling windows, or from the stunning private pool and terrace. The suite also features original artwork by Hirst himself, including the striking large-scale piece Winner/Loser, showcasing two sharks preserved in formaldehyde and suspended in a glass tank. 

For entertainment, guests can play a game on one of the Hirst-designed foosball or pool tables, or gather at the party-ready 13-seat bar. When you’re ready for a break from Sin City’s opulent offerings, pamper yourself in one of the suite’s two massage rooms and its state-of-the-art salt sauna. During pool season, your stay also comes with a complimentary cabana.

Penthouse Suite at the Mark Hotel – New York, New York ($75,000 per Night)

Private rooftop terrace overlooking Manhattan at the Mark Hotel's Penthouse Suite
Credit: Photo courtesy of the Mark Hotel 

New York City has no shortage of iconic hotels, but the 10,000-square-foot Penthouse Suite at Manhattan’s Mark Hotel is surely one of the most impressive — and, at $75,000 per night, one of the most expensive. One of the suite’s most arresting features is its 2,500-square-foot rooftop terrace that offers surreal views of Central Park and the Metropolitan Museum of Art. 

Inside, the two-floor penthouse — designed by renowned French interior designer Jacques Grange — features five bedrooms, four fireplaces, six bathrooms, and two wet bars. The soaring 26-foot living room ceilings create a roomy, elegant space for the custom furniture and clean, contemporary fixtures. 

The Mark’s luxurious touches make it not only an extravagant stay, but also a favorite celebrity spot. It has become synonymous with fashion’s biggest night, the annual Met Gala, and, in 2019, it was the location of choice for Meghan Markle’s baby showers.

Penthouse Suite at Fairmont San Francisco – San Francisco, California ($22,000 per Night)

Ornate lobby of the Fairmont San Francisco in California
Credit: Photo courtesy of the Fairmont San Francisco

The storied Penthouse Suite at the Fairmont San Francisco has hosted rock stars, royalty, and other big-name guests over the years. Today, its eclectic, textured Art Deco style spans 6,000 square feet across the entire eighth floor of the main building, offering guests who are able to shell out $22,000 a night unparalleled panoramic views of the city skyline and San Francisco Bay

The space includes three generously sized bedrooms, a luxurious living room complete with a grand piano, and a two-story library covered with a gold-leaf painted celestial map on a domed ceiling. More bespoke furniture and details can be found throughout, as can original artwork by celebrated pop art great David Hockney. If you’re feeling adventurous, try to suss out the secret passageway behind a sliding bookcase before retiring to the Mediterranean-style terrace for sunset.

Penthouse Suite at Faena Hotel – Miami Beach, Florida ($65,000 per Night)

Dining area with chandelier in Penthouse Suite at Faena Hotel, Miami Beach
Credit: Photo courtesy of the Faena Hotel 

Before it was the Faena, this oceanfront resort was called the Saxony, Miami Beach’s first luxury hotel and frequent host to old Hollywood icons such as Frank Sinatra and Marilyn Monroe. The reimagined space, opened in 2015, retains the hotel’s original glamor while adding modern updates — like the lavish penthouse suite which will set you back approximately $65,000 a night. Hollywood husband-and-wife team of director Baz Luhrmann and set and costume designer Catherine Martin designed the extravagant space, featuring Art Deco flourishes, bold animal prints, and pops of gold. 

However, the panoramic turquoise ocean vistas, framed by floor-to-ceiling windows, are undoubtedly the star of the space, which covers two levels and 14,000 square feet. Each of the suite’s five bedrooms has its own furnished balcony, adding to the space’s intended indoor-outdoor living continuum.

Penthouse at the London West Hollywood – Los Angeles, California ($15,000 per Night)

Sitting area in the Penthouse Suite at the London West Hollywood in Los Angeles, California
Credit: Photo courtesy of the London West Hollywood 

The London West Hollywood claims to have the biggest penthouse in Los Angeles. But at around $15,000 a night, the price tag of this 11,000-square-foot, two-story suite — while certainly expensive — isn’t as jaw-dropping as similar properties. The expansive Penthouse boasts personalized touches curated by renowned fashion designer Vivienne Westwood. As an added perk, guests are treated to a private (and discounted) shopping experience at the designer’s namesake West Hollywood boutique. The space exudes sleek sophistication while embracing the edgy ethos of early punk-rock and glam aesthetics.

In the unlikely event you grow bored of the suite’s grand salon, media room, kitchen, waterfall wall, private spa-like bathrooms, and wet bar, head up to the massive, 5,000-square-foot private rooftop deck. It boasts a bar, fireplace, outdoor shower, and — the most priceless feature of all — a 360-degree birds-eye view of the beautiful City of Angels.

Penthouse Suite at the Post Oak Hotel – Houston, Texas ($125,000 per Night)

Interior of Penthouse Suite at the Post Oak Hotel in Houston, Texas
Credit: Photo courtesy of the Post Oak Hotel 

According to hotel owner Tilman Fertitta, no request is too big for guests of the Post Oak Hotel’s Penthouse Suite. Spanning 22,000 square feet over the 32nd and 33rd floors of this Houston hotel, the Penthouse has an eye-popping price tag of $125,000 per night — and there’s a two-night minimum stay. 

After taking a private elevator up to the suite, guests are treated to a 360-degree view of the Houston skyline. With the push of a button, the floor-to-ceiling window shades slide open to reveal a wraparound private terrace complete with a heated swimming pool, hot tub, and fully-stocked bar and kitchen. 

Below the “soft contemporary” decor of custom chandeliers and silk-adorned walls on the 33rd floor is the lower level’s regulation-size half-court basketball court. (It makes sense, given that Fertitta is also the owner of the NBA’s Houston Rockets.) Plus, guests can enjoy a wine cellar, movie theater, and lounge area. With 24-hour staff — including a personal butler and sommelier — as well as a chauffeured Bentley on demand, the Post Oak and its Penthouse is a favorite among celebrities, U.S. Presidents, and royal families from all over the world.

Note: All featured products and deals are selected independently and objectively by the author. Daily Passport may receive a share of sales via affiliate links in content.

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Tips

8 Things Hotel Guests Do That Staff Hate

By Daily Passport Team
Read time: 6 minutes
April 30, 2024
Updated: May 18, 2026

8 Things Hotel Guests Do That Staff Hate

By Daily Passport Team
Author
Daily Passport Team
Daily Passport writers have been seen in publications such as National Geographic, Food & Wine, CBC, Condé Nast Traveler, and Business Insider. They're passionate about uncovering unique destinations and sharing expert tips with curious travelers.

For most of us, staying in a hotel while on vacation feels like an escape from real life — with hotel staff attending to your every need, it’s easy to feel downright spoiled. Although staffers are there to keep everything in check, many travelers still do their part by following good hotel etiquette: Be polite, put your trash in the bin, turn off the lights, and so forth. Although being courteous and not trashing your room should go unsaid, hotel guests do plenty of other things that annoy staffers, and they might not even realize they’re doing it. Here are some of the most hated habits of hotel guests, according to hospitality workers.

Covert Check-Outs

Traveler sitting on hotel bed holding luggage handle and using phone
Credit: SouthWorks/ iStock via Getty Images 

Of course, you have every right to stay in your hotel room until check-out time, but if you decide to check out early, it’s a good idea to let the hotel staff know. This allows housekeepers to enter the room earlier to turn it around for the next guests. The average hotel worker cleans between 12 and 20 rooms per eight-hour shift, resulting in about 20 to 30 minutes of cleaning time per room. If you leave the hotel without checking out, your room can sit vacant, sometimes for hours, which some hotel staff say is a waste of housekeepers’ time. 

Remember, there are faster ways to check out than physically going to the front desk and waiting in line. Instead, check for a key drop-off box in the front lobby or call the front desk to let them know you’re leaving. If you’re staying in a major hotel chain, you can often use the mobile app to check out within seconds.

Damage Disguisers

Traveler entering hotel room
Credit: d3sign/ Moment via Getty Images 

If something is damaged or not working in your room, inform hotel staff immediately, regardless of whose fault it was. In the experience of some hotel employees, if a guest is upfront and honest about damage, they probably won’t be charged for minor issues, or they might be charged a lower price for significant damages. However, if a guest doesn’t disclose damage during the trip or at check-out, they’ll most certainly be charged the total cost of the damage.

Pet-Friendly Fails

Dog standing on suitcase in airport
Credit: Su Arslanoglu/ E+ via Getty Images 

Always inform hotel staff if you have your furry friend in tow. While the hotel you booked might be pet-friendly, every single room probably isn’t. Usually, only particular floors or wings are set aside for pets. If there isn’t an option to select a pet-friendly room during booking, add it to the booking notes section of your reservation or give the hotel a call. 

Also, don’t be surprised if you have to pay an additional pet fee at check-in. Hotel maintenance explains that this fee compensates the hotel for the additional supplies and cleaning required in pet-friendly rooms to remove stains, pet hair, and damaged furniture. Also, remember to always pick up after your pet in your room and on hotel grounds.

Redecorators

Suitcase next to bed in hotel room
Credit: Lu ShaoJi/ Moment via Getty Images 

Some housekeepers have this request: If you move heavy furniture during your stay, move it back to where it was when you checked in. Whether you were baby-proofing a room or just making it more comfortable, make sure to place beds, couches, lamps, and chairs back in their original place. Your housekeeper might be unable to move the furniture as easily as you did, and you’ll save them a lot of effort. The same goes for unplugging lamps and alarms or moving phones or television remotes — rule of thumb: leave everything as you found it.

The Early Check-in Blues

Traveler with suitcase in hotel lobby
Credit: PixelsEffect/ E+ via Getty Images 

You can always hope for the best, but unless explicitly guaranteed (and in some cases, paid for) ahead of time, most early check-in requests are just that — requests. Some hotel staffers have noticed an uptick in customers being disgruntled that their early check-in requests weren’t accommodated. 

Here is the advice of one employee: If you know you have a dinner, event, or appointment around the same time as check-in, don’t count on your room to be available. Instead, book the hotel for the night before and arrive whenever is most convenient for you. If that isn’t possible, arrive at your hotel ready for the event and ask hotel staff to hold your bags in a secure area until you can check in after the event.

Third-Party Predicaments

Person sitting on couch with coffee scrolling laptop
Credit: simonapilolla/ iStock via Getty Images 

Be aware of the risks of third-party travel sites. Online travel agencies like Booking.com and Expedia are valuable tools for travelers to compare and find the best rates. However, many guests don’t understand that the hotel staff usually cannot move or change your reservation if you booked through a third-party site. Any changes must be made through the third-party’s website or customer service center instead. This creates a headache for front desk workers when disgruntled travelers can’t modify their stay.

Luggage Cart Bandits

Hotel bellhop with luggage cart
Credit: Pressmaster/ Shutterstock 

Luggage carts are essential if you’re traveling with many bags, just don’t hold one hostage in your room. According to frustrated bellhops, some guests attempt to keep the cart to themselves for the duration of their stay so they can easily load their bags at the end of their trip. Remember, hotels don’t have a cart for every room — they might only have a dozen for hundreds of rooms — so this isn’t considerate of other hotel guests or the staffers trying to do their jobs.  

Bed-Making Blunders

Unmade bed in hotel room
Credit: I am a female photographer from Thailand I love create an artworks with my camera/ iStock via Getty Images 

Of course, housekeepers greatly appreciate leaving a hotel room clean and tidy, but hotel staffers say remaking a dirty bed is pointless. You’re making more work for yourself and housekeeping. Instead, leave the bed unmade, or better yet, strip the bed to make it easier on staff. If a room has more than one bed, don’t worry about making an unused bed look tidy; it will also be stripped and washed.

Things Hotel Staff Love: Tips and Reviews

Housekeeper with cart in hotel hallway
Credit: LanaStock/ iStock via Getty Images 

Hospitality workers say that tips for housekeepers and positive online reviews for friendly front desk workers often go a long way. A positive online review can earn workers praise from management and drive more business to the hotel. As for tipping, less than one-quarter of American hotel guests tip their housekeepers. According to international etiquette expert Diane Gottsman, a tip of $3 to $5 per day is a great way to show appreciation for housekeepers’ hard work. Remember to break up the tip into daily increments, as housekeepers change shifts frequently.

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Tips

Visiting Europe Soon? Here’s What’s Changing for U.S. Travelers

By Julia Hammond
Read time: 6 minutes
April 30, 2024
Updated: April 30, 2024

Visiting Europe Soon? Here’s What’s Changing for U.S. Travelers

By Julia Hammond
Author
Julia Hammond
Julia is a U.K.-based travel writer whose work has been featured in The Independent, The Telegraph, The New Zealand Herald, and Culture Trip, among others. She’s an enthusiastic advocate for independent travel and a passionate geographer who has had the privilege of traveling to more than 130 countries in search of a story.

Headed across the pond soon? A number of changes could affect those travelers planning a European vacation. While these proposed changes are mostly procedural and shouldn’t affect a traveler’s eligibility to visit, it’s always wise to remain abreast of new rules to be sure you’ve made the correct preparations for your trip. Here are a few of the major differences that look likely to impact U.S. travelers over the coming months.

Get Ready for Electronic Entry and Exit Checks

Zoomed-in image of passenger handing ticket and passport to airport agent
Credit: simon2579/ iStock via Getty Images 

Some countries, such as the United States, already collect biometric data from incoming travelers to help with the process of border security. The European Union plans to follow suit, though as of May 2024, an exact timeframe for implementation has yet to be announced. Recent reports suggest that it could be introduced at some point in 2024.

The system, called the Entry/Exit System (EES), will be an automated electronic system for registering non-EU nationals. It’s hoped that the streamlined procedures will speed up the processing of passengers and reduce wait times at border checkpoints. There are certain exemptions and variations, so be sure to read the FAQs before you travel to find out if they apply to you. 

Currently, 29 countries have signed up to join the program — including most of the EU nations and also countries such as Iceland, Norway, Liechtenstein, and Switzerland. The Republic of Ireland and Cyprus, though members of the EU, have said they intend to continue stamping passports manually. The United Kingdom, no longer a member of the EU, will also remain with its current system. 

If you travel to Europe frequently or for extended periods, be sure to keep count of your stays so that you don’t exceed the 90-day maximum stay during any 180-day period. The total is calculated for all EES countries and is not tallied separately, so if you overstay for one, you’ve overstayed for all. 

Bulgaria and Romania Join the Schengen Zone (With a Caveat)

European road border control checkpoint
Credit: Mikadun/ Shutterstock 

The Schengen Agreement was a 1995 treaty signed by five countries: France, Germany, Belgium, the Netherlands, and Luxembourg. They agreed to form an area without internal border controls. Over time, other nations have signed up, and now around 400 million people live within the so-called Schengen Zone. 

Broadly speaking, it means once travelers have been allowed into one of the Schengen countries, they can move freely from country to country without encountering additional checks. As a response to temporary issues of national security, however, countries are permitted to reintroduce border checks and, there are currently a number of these in place.

In April 2024, Bulgaria and Romania were welcomed into the Schengen club — with one significant caveat. The two countries will operate in the same way as other Schengen members for those arriving by air or by sea. However, if you cross into these countries via a land border, passport checks will continue as before. 

The ETIAS Visa-Waiver Program Looks Set for a 2025 Launch

Two passengers standing in airport queue looking at their passports
Credit: Hinterhaus Productions/ Stone via Getty Images 

Since 2009, the U.S. has required eligible travelers visiting from visa-waiver countries to fill out an Electronic System for Travel Authorization (ESTA). The EU looks likely to follow suit at some point in 2025. For short-term visitors intending to stay for no more than 90 days in any 180-day period, the ETIAS (European Travel Information and Authorization System) will work in a similar way. 

Applicants will fill out an online form ahead of travel, and most will get their documentation almost immediately. It is expected that the ETIAS will cost 7 euros and that the fee will be waived for those under 18 years of age and those over 70 years old. When approved, the ETIAS will be valid for three years or until your passport expires, whichever is sooner. 

Upon arrival, border officials will still check your travel documents to make sure they are valid and may ask certain questions before you’re permitted entry — including the purpose of your visit, details of your accommodation, and whether you have enough money to support yourself for the duration of your trip. Largely, such information is gathered so that the border official can be satisfied you are not intending to enter the country to stay and work.

When it comes into effect, visa-exempt travelers from qualifying countries like the U.S. will need one ETIAS to visit all European countries covered by the scheme. These include the Schengen Zone countries, which are largely EU members, plus nations such as Iceland, Norway, Liechtenstein, and Switzerland. Notable ETIAS exceptions include the United Kingdom, Ireland, Cyprus, Montenegro, Serbia, Gibraltar, and Albania. 

Liquids Rules Have Changed at Some Airports

Close-up shot of passenger's items in security belt tray at airport
Credit: AzmanJaka/ E+ via Getty Images 

A policy restricting the size of liquids travelers can carry through airport security has been in effect worldwide since 2006. However, the need to enforce this rule can be time-consuming and lead to lengthy queues which, of course, are unpopular with passengers.

Good news: Thanks to 3-D scanners and improved X-ray screening equipment, some European airports have ditched this requirement. These include Amsterdam’s Schiphol Airport, Ireland’s Shannon Airport, Helsinki Airport in Finland, Fiumicino Airport in Rome, and London City Airport (though the rollout is delayed at Heathrow, Gatwick and Stansted).

More airports are scheduled to do the same. Among those trialing the new technology or planning to implement it by the end of 2024 are Madrid’s Barajas Airport, Barcelona’s El Prat Airport, Geneva Airport, and Paris Orly Airport. If you intend to fly soon, make sure that you check the current situation for the airport you’ll be transiting.

Tourism Taxes Are Ramping Up in Some Locations

Aerial view of St. Mark's Square in Venice, Italy
Credit: Dovapi/ iStock via Getty Images 

Following some high-profile campaigns to combat overtourism, a number of European cities have implemented charges in the form of tourist “taxes” in an attempt to tackle the issue. For instance, in Venice, Italy, the city authorities will impose a daily charge of five euros on certain dates from April to July 2024. The move aims to minimize the negative impacts of day trippers to the historic city core. For anyone staying overnight, a tourist tax is already levied as part of the cost of their stay.   

In other cities, such as Dubrovnik, Croatia, the focus of tourists tends to center on one popular attraction — in this case, the ancient walls that enclose its old city. In a bid to reduce the number of tourists, visitors will now pay a staggering 35 euros to walk them, a five-fold increase since 2007. Meanwhile, since September 2023, there has been a strictly enforced cap on visitor numbers to the Acropolis in Athens, Greece — advance purchase tickets for a specific time are now required. Expect more of the same across Europe as tourism numbers continue to grow

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Outdoors

7 of the Coolest Caves You Can Visit Around the World

By Daily Passport Team
Read time: 7 minutes
April 30, 2024
Updated: May 2, 2024

7 of the Coolest Caves You Can Visit Around the World

By Daily Passport Team
Author
Daily Passport Team
Daily Passport writers have been seen in publications such as National Geographic, Food & Wine, CBC, Condé Nast Traveler, and Business Insider. They're passionate about uncovering unique destinations and sharing expert tips with curious travelers.

There are so many iconic landmarks and fascinating landscapes to explore on Earth’s surface that it’s sometimes easy to forget what lies underneath. Exploring the planet’s vast network of caves is pretty much guaranteed to be an adventure, but these seven caves should be at the top of any aspiring spelunker’s bucket list.

Reed Flute Cave – China

Rainbow-lit Reed Flute Cave in China
Credit: DnDavis/ Shutterstock 

With its stalactites and stalagmites awash in a rainbow of hallucinogenic lighting, you could almost mistake this otherworldly cave for an outsized psychedelic aquarium. So it’s no surprise that millions of visitors come to the southern Chinese city of Guilin to revel in the neon wonders of this 787-foot-long river-carved limestone cavern. 

Perhaps more surprising, though, is that the cave’s discovery was relatively recent: It was a search for shelter from Japanese attacks during World War II that resurfaced the Reed Flute Cave to the modern world. The name is derived from the reeds that grow outside the entrance, which are used in the production of flutes. Evidence suggests that people have been seeking refuge of some kind or another here since well before the 1940s — there are inscriptions inside that date back to the Tang Dynasty (618 to 906 CE). Of course, in cave time, that’s basically a minute ago: The presumed age of the site is somewhere in the neighborhood of 180 million years.

Waitomo Caves – New Zealand

Formations of the Waitomo Caves in New Zealand
Credit: Martin Pelanek/ Shutterstock 

One of the most sublime natural wonders on New Zealand’s North Island has an unassuming star: the tiny, yet mighty glowworm. At the Waitomo Caves, thousands of these insects dangle by their silken threads from the cave ceilings, their namesake glow — a distinctive bluish-green hue — illuminating the subterranean roofs like a starry night sky. The glow of these insects serves to attract prey for food, but to visitors, the luminescence creates an atmosphere reminiscent of a fairy tale

The worms, which are actually a species of fungus gnat called Arachnocampa luminosa, are endemic to the island country. The caves the glowworms dwell in are no less spectacular than the insects themselves, formed from limestone that dates back some 30 million years. Visitors can traverse an intricate system of footpaths through this underground world or quietly float beneath the glowworms in rope-led boats — either is an unforgettable experience, and one you can’t find anywhere else but in New Zealand. 

Mammoth Cave – Kentucky

Person walking through pathway in Kentucky's Mammoth Cave
Credit: Posnov/ Moment via Getty Images 

Mammoth Cave’s moniker just barely scratches the surface of how extensive this cave system really is. Located in west-central Kentucky, the underground complex consists of more than 412 miles of surveyed passageways — and that’s all scientists know about so far. Some estimate the cave system stretches for about 1,000 miles in total, and several more miles are discovered each year.

This underground labyrinth is the centerpiece of Mammoth Cave National Park and recognized as both a UNESCO World Heritage Site and an International Biosphere Reserve. Although the caves were only discovered by Europeans in the 18th century, humans have visited them for thousands of years. Mammoth Cave holds vast historical and ecological riches in its massive, stony walls. There are numerous impressive cave structures on display, including stalactites, stalagmites, and a type of gypsum formation called “gypsum flowers.” The dry, cool environment of Mammoth Cave also makes it an ideal habitat for several endangered forms of bat and cave shrimp. To make the most of your visit, join one of the cave tours offered by the National Park Service.

Son Doong Cave – Vietnam

Massive entrance to Son Doong Cave in Vietnam
Credit: David A Knight/ Shutterstock 

Central Vietnam’s Phong Nha-Ke Bang National Park was already known for hosting some of the world’s largest caves, but in 1990, a local man named Ho Khanh noticed an opening in a limestone cliff that spewed steam and the sounds of rushing water. Hee left the area without exploring, and couldn’t find it again under the thick foliage. Fortunately, in 2009, at the urging of the British Cave Research Association, Khanh rediscovered the cave. A year later, cave experts declared Son Doong (meaning “Mountain River Cave”) the world’s largest known cave, spanning an incredible 1.35 billion cubic feet.

Located under the Truong Son Mountains, Son Doong dates back 400 million years and was created by the Rao Thuong River. Collapsed portions of the roof called dolines act as skylights, fostering a dense jungle habitat within. Dripping water in the cave has created stalagmites the size of buildings. Even more remarkably, in 2019, explorers discovered it was connected to another massive cave, Hang Thung — making this stunning underground paradise even more massive than originally thought.

Blue Grotto – Italy

Entrance to the Blue Grotto off Italy's Amalfi Coast
Credit: Tania Zbrodko/ Shutterstock 

A stone’s throw from Italy’s Amalfi Coast, the island of Capri — with its rugged beauty and picturesque cliffside towns — has earned a spot on many travelers’ bucket lists. But before the secret got out, it was a favorite retreat of Roman emperors. One of them, Tiberius, was the first to seek out one site that draws so many visitors to the island — the Blue Grotto. He adopted this nearly 500-feet-deep sea cave with its exquisite neon blue water as his private pool. Its seemingly impossible hue results from sunlight entering through an underwater cavity and illuminating the shimmering ripples above. 

Swimming in the cave is no longer permitted, but you don’t have to jump in to appreciate its beauty. You do have to lean back, however. To gain entry through the four-foot-high passageway at low tide, travelers must lay flat in a rowboat as a singing oarsman threads the boat into the grotto with a metal chain. Mark Twain was one of many to brave the claustrophobic journey: In his 1869 book The Innocents Abroad, he wrote, “No tint could be more ravishing, no lustre more superb” than the piercing blue that awaits inside the cave.

Sterkfontein Caves – South Africa

Interior of South Africa's Sterkfontein Caves
Credit: AfriPics.com/ Alamy Stock Photo

With a rich collection of humanoid fossils dating back millions of years, the Sterkfontein Caves are well-deserving of their nickname, the “Cradle of Humankind.” Though the caves, located an hour outside of Johannesburg, were once mined for lime deposits in the early 20th century, they have since produced over 500 fossils that have added key insight into humankind’s evolutionary process. Two of the most notable discoveries are “Mrs. Ples” — a 2 million-year-old skull largely still intact — and a nearly complete Australopithecus skeleton dubbed “Little Foot” that’s upwards of 3 million years old.

With cavernous limestone passageways draped by glorious stalactites and stalagmites, the Sterkfontein Caves possess a geological beauty as rich as their history. Visitors can embark on cave tours that include an accurate reconstruction of a mined cave, as well as a modern boardwalk installed in 2005 that leads to the excavation site where many of the cave’s legendary fossils were first unearthed. The cave is even home to a mysterious underground lake (though it’s too dangerous for exploration). If you do visit, be sure to stop by the Maropeng Visitor Center, which offers fascinating educational exhibits about humankind’s history as far back as the universe’s creation.

Luray Caverns – Virginia

Visitor pathway under giant stalactites formations in Luray Caverns, Virginia
Credit: jgorzynik/ Shutterstock 

There are over 4,000 caves in Virginia, but most are on private property and difficult to explore (unless you’re a trained spelunker). Fortunately, the spectacular Luray Caverns do not fall into that category. Spanning 60 acres and reaching 10 stories tall, the largest cave complex in the eastern United States is open to the public, with ample lighting and paved pathways for accessibility. 

This massive system of limestone and clay caverns was carved by an ancient sea and features stalactites, stalagmites, and other beguiling formations. The cave was long known to Native Americans in the area, but in 1878 a group of local settlers found it, hoping to turn it into a tourist attraction. Each year, millions of visitors come to explore its natural wonders: Pluto’s Ghost, a 500-foot column, is a must-see, as are Saracen’s Tent, a scrim of thin stone along the cave ceiling’s incline, and Dream Lake, a still pool reflecting the stalactites above.

And then there’s the Cathedral — a soaring space featuring an electric organ installed in the 1950s. Rather than traditional pipes, the Great Stalacpipe Organ is wired to mallets that strike stalactites throughout the complex, making Luray Caverns one huge musical instrument — unlike any other you’ve heard before. 

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Tips

What Is Sleep Tourism? A Look at One of Travel’s Hottest Trends

By Rachel Gresh
Read time: 5 minutes
April 30, 2024
Updated: May 20, 2024

What Is Sleep Tourism? A Look at One of Travel’s Hottest Trends

By Rachel Gresh
Author
Rachel Gresh
Rachel is a Washington, D.C.–based travel and lifestyle writer with roots in the Great Lakes region. When she’s not writing for publications such as The Discoverer and Interesting Facts, you’ll find her wandering through museums or exploring destinations off the beaten path.

How far would you travel for a good night’s rest? For sleep tourists, the answer is a no-brainer: They’ll go anywhere to catch some z’s — and that’s part of the appeal. “Sleep tourism” is a relatively new facet of the travel industry, but its market value is already estimated at over $640 billion. Hotels in every price range are offering sleep-oriented amenities and services — from handmade Swedish beds to infrared spa treatments, sleep-inducing meals, and even sessions with sleep scientists. Curious about “sleep tourism” and how to partake in this growing trend? Find out more below.

The Rise of Sleep Tourism

Luxurious bed inside hotel room
Credit: Photo courtesy of Lotte New York Palace

More travelers are opting for restorative travel, and it could be because many of us are simply exhausted. According to the Centers for Disease Control and Prevention, one in three adults in the U.S. do not get enough sleep (which constitutes at least seven hours per night). There has also been a noticeable shift in the health and wellness movement since the Covid-19 pandemic. Now more than ever, travelers are looking to slow down. 

As a result, more travelers are interested in the growing trend of “slow travel.” This means focusing on immersive and meaningful experiences rather than running down a busy checklist of tourist attractions. Slow travel goes hand in hand with sleep tourism, which work together to put your mental and physical well-being at the forefront of the trip. 

The State of Sleep Tourism Today

Sleep pod chairs inside hotel
Credit: Photo courtesy of Six Senses

Despite its slow-travel themes, this travel trend is ramping up quickly — the sleep tourism market is expected to increase by over $400 billion by 2028. Furthering the movement, a recent global survey conducted by Hilton found that participants’ number one reason for travel in 2024 is to “rest and recharge.” Sleep tourism can be as luxurious or simple as you make it — just as getting good sleep varies by individual, so does sleep tourism. For some, it might mean more lavish experiences, from A.I.-powered beds to spa treatments under the stars, while others only need a comfortable room away from the hustle and bustle of their normal, everyday lives.

How and Where to Become a Sleep Tourist

Bath in spa at hotel
Credit: Photo courtesy of Hilton

There is more to sleep tourism than eye masks and blackout curtains. Customized pillows, eating plans, sleep schedules, fitness programs, and even sessions with sleep experts are among this industry’s long list of amenities. 

For example, some Hilton hotels offer “power down” rooms with plush Serta mattresses and sound-absorbing walls. The hospitality chain also recently launched its first installment of Sleep Retreats at Grand Wailea, a Waldorf Astoria Resort in Maui, Hawaii — where guests can partake in an immersive experience under the guidance of sleep science expert Dr. Rebecca Robbins. Billed as an “all-encompassing journey,” the program features activities, meditations, and meals to promote sleep. Guests also have access to the resort’s open-air Kilolani Spa, which offers services to mitigate jet lag, optimize circadian rhythms, and release hormones to promote healthy sleep.

Hilton isn’t the only big name in hospitality taking notice of this trend. Six Senses — which has luxury wellness resorts in the Mediterranean, Maldives, Swiss Alps, and beyond — offers sleep programs developed by “Sleep Doctor” Michael J. Breus. Not only does the brand emphasize comfortable rooms and bedding, but staff can also assist you in setting up a sleep tracker to monitor your sleep stages. Sound therapy machines, sleep-inducing drinks and snacks, and aromatherapy items are also readily available.

And then there’s the Lotte New York Palace, which puts New York’s “City That Never Sleeps” reputation to the test. The hotel partnered with Swedish luxury mattress brand Hästens to create the Hästens Ultimate Sleep Suite. The suite is outfitted with three handmade beds — the king-sized bed in the primary room retails for over $300,000 — deep soaking tubs, private check-in, and custom pajamas. 

On the other hand, those who prefer to snooze in the sun should head to the Carillon Miami Wellness Resort. This hotel has a Touchless Wellness Sleep Circuit, which uses vibroacoustic, electromagnetic, and infrared technology to reset your circadian rhythm as you relax in an ergonomic lounger. Also included in the circuit is a salt float bath with 800 pounds of Epsom salt (touted for its pain- and anxiety-relieving qualities) and a futuristic meditation pod. Head back to your suite after the circuit to sleep in an A.I.-assisted Bryte Balance Smart Bed, which makes targeted adjustments to ease pressure points throughout your body.

Sleep tourism has undoubtedly gone global. The five-star Pan Pacific Melbourne offers a Happy Sleeper program with a pillow menu, “slumber supper,” turndown service, and a collection of in-room bedtime stories. Singapore’s Shangri-La also offers a pillow menu as part of their Better Sleep package, which also includes a tension-relieving back and neck massage for two, a wellness dinner, pillow spray, and bath soak. And if you’d rather relax in a natural environment, look no further than the Four Seasons Resort Bali at Sayan. Here, guests can take a “sacred nap” in a pure silk hammock suspended in an open-air terrace overlooking the Sayan Valley or enjoy a night spa ritual beside the Ayung River underneath the stars.

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