Inside the world’s deepest cave, 7,000 feet below the surface, a sudden flood turns an epic expedition into a desperate fight ...

Imagine entering a cave and not realizing that beneath your feet lies a bottomless pit that could plunge you to great depths. Such was the Veryovkina Cave, the deepest-known cave on Earth, in the ...

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.

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 dark spaces forever. So it's not entirely surprising that I couldn't ...

(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 ...

A US citizen trapped in Turkey's third deepest cave for more than a week has been pulled to safety, rescuers say. More than 150 people were involved in efforts to save caver Mark Dickey after he ...

CEDAR FALLS, Iowa (KCRG) - A team of researchers at the University of Northern Iowa (UNI) is exploring some of the deepest caves in the country to learn more about life in extreme environments. The ...

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 ...