Architecture

This Highway in the Clouds Is an Engineering Marvel

As the world’s third-largest country by area, China has often had to get creative with transportation infrastructure. Here's why the Ya’an-Xichang Expressway, also known as Yaxi Highway — aka the "Highway in the Clouds — is a marvel of engineering.

The 9 Tallest Observation Decks in the World

Observation decks afford travelers an incredible bird's-eye perspective of urban and natural landscapes thousands of feet below. Can you brave the dizzying heights of the tallest observation decks in the world?

Architecture
5 Eerily Beautiful Abandoned Olympic Venues

In some Olympic host cities, factors such as a lack of funds or unexpected political change can take their toll on venues built for the games. But as is often the case with abandoned places, these derelict structures retain a mystical appeal and can be eerily beautiful to visit, especially in light of their former glory.

Architecture
8 U.S. City Libraries Bookworms Shouldn’t Miss

Surely, landmarks such as the Library of Congress in Washington, D.C., and the New York Public Library are on any bibliophile’s must-see list, but the United States is also home to many other stately libraries well worth a visit. Here are eight other American libraries that are bound to impress.

Architecture
5 Fascinating European Castles You’ve Never Heard Of

Already crossed the most famous European castles off your bucket list? Fortunately, when it comes to castles, there's no shortage of options on the continent. From a castle built inside of cave to one of Europe's few remaining circular castles, discover five underrated European castles with fascinating histories.

Architecture