Geography

What’s the World’s Oldest (and Deepest) Lake?

You may not know much about Lake Baikal, but maybe you should: The world's oldest existing freshwater lake on Earth reaches far deeper than any other lake on the planet, and is home to an incredibly diverse ecosystem. Check out these fascinating facts.

7 Geographic Mysteries, Explained

From cities that belong to one country but exist on another continent to an island that switches nationalities twice a year, here are seven fascinating geographic quirks and the stories behind them.

Geography
Why We May Be Measuring Mountains Wrong

Have scientists been doing it wrong all along? One expert seems to think so. Here’s a look at the new way we could be measuring mountains.

Geography
10 Beautiful U.S. Islands You’ve Probably Never Heard Of

While you've surely heard of the likes of America's biggest and most famous islands — the likes of Hawaii, the Florida Keys, and Puerto Rico — there are countless other, lesser-known U.S. islands waiting to be discovered.

Geography
The 4 States That Border the Most Other States

A handful of states have not just one, two, or three neighbors but as many as seven or eight. Here are the four states that border the most of the bunch.

Geography