On Sunday’s episode of The Excerpt podcast: Hidden beneath Earth’s surface are caverns and pathways that hold the secrets of our planet’s very beginnings. Even after decades of exploration, there are ...

BIG BEND NATIONAL PARK, Texas — Archaeologists exploring deep inside a remote cave in Big Bend were flabbergasted to discover tools left by an ancient hunter thousands of years ago. They say the find ...

A giant limestone mine is the last place most people expect to find a natural cave, but that’s exactly what happened. While ...

(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 ...

From zip-lining over the forest to hiking scenic trails and exploring deep caves, there are plenty of exciting ways to discover this scenic corner of Ohio. Ohio's Hocking Hills is teeming with ...

A homeowner noticed something strange on his property, then uncovered a deep cave hidden beneath the ground. What started as curiosity quickly turned into a serious exploration, with darkness, drops, ...

Looking for an adventure that’s cool (literally) and completely out of the ordinary? The United States is home to some of the world’s most fascinating cave systems, each with its own story carved by ...

Beneath the surface of an otherwise unassuming National Park, a labyrinth showcases hundreds of millions of years of geologic history. Each shade of tan layered on the walls represents a different era ...

There’s something about cave exploring that intimidates me. Perhaps it’s venturing below ground or the feeling of being enclosed, but the whole experience strikes me as a bit off-putting. That being ...

While for most people the idea of crawling deep into a dark hole in the earth sounds positively terrifying, some people adore ...