Deep underground, flowing water leads explorers into a cave shaped by constant motion and time. The waterfall inside Nash Cave reveals narrow passages, slick rock, and areas rarely documented.

Explorers searching for a cave rumored to run for miles descended into a massive underground system filled with cold air and deep chambers. After navigating pits, breakdown piles, and underground ...

Cave exploration has fascinated Dave Foster almost his entire life. As a Virginia youth, he would find himself engrossed in exploration stories like the sci-fi expedition classic “Journey to the ...

The Hranicka Abyss is at least 1,325 feet deep, and likely goes down further. — -- A team of explorers believe they have discovered the deepest known underwater cavern the world in eastern Czech ...

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 ...

A "legendary" Texas cave explorer who took part in the first wedding ceremony to be officiated in Texas' Natural Bridge ...

A national park in Kentucky has the longest known cave system in the world. This week, Floyd Collins is being remembered there. He was an explorer whose death a century ago became an international ...

An explorer of the Mammoth Cave system in Kentucky who died 100 years ago is credited with the creation of the national park. A national park in Kentucky has the longest known cave system in the world ...