The longest Croatian mountain range isn't the tallest, but it does stretch across two counties and is home to the country's ...

Why it's incredible: The cave is so deep, the world's tallest building could fit inside it. The Hranice Abyss — or "Hranická propast," in Czech — is the deepest known freshwater cave in the world.

(via MinuteEarth) Krubera Cave, one of our planet’s deepest known caves, extends 2200 meters into the earth – that’s a depth of nearly six Empire State Buildings. Or at least, that's as far down as ...

Add Yahoo as a preferred source to see more of our stories on Google. I'm a severe claustrophobe. After getting trapped in a slide in my local McDonald's at five years old, I swore off all tight and ...

TERRELL COUNTY, Texas — A researcher was rescued from one of Texas' deepest known caves, according to the Texas Game Wardens. In a social media post, the Texas Game Wardens say a team was conducting ...

In this episode of Crossroads, host Dalton Godbey travels to Corydon — Indiana’s very first state capital — where history runs deep above and below ground. The journey starts with a walking tour of ...

After more than six months of preparation and 14 hours underground, a group of cavers has uncovered Australia's deepest known cave, at a depth of 401 metres. The new cave, dubbed "Delta Variant", is ...