Geography
When Is a Town Big Enough To Be Considered a City?
What’s the difference between a town and a city? The answer depends on where you are.
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8 Places Where U.S. State Borders Get Strange
State borders don’t always criss-cross the country in neat lines. Discover eight state border irregularities in the U.S. and why they exist in the first place.
Geography
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Top 10 Most Densely Populated U.S. Counties
The average population density of the United States is just over 95 individuals per square mile. But in certain parts of the nation, those density numbers skyrocket into the thousands. Here’s a look at the top 10 densest counties in the U.S.
Geography
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The World’s Smallest Inhabited Islands
The world's largest island is Greenland, covering 836,330 square miles, but on the opposite end of the spectrum are islands are only a few thousand square feet. Check out five of the tiniest islands that people call home.
Geography
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10 of the World’s Largest Estuaries
An estuary is a type of ecosystem found when a river flows into the ocean. Discover 10 of the world’s largest estuaries.
Geography
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