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 ...

Ellison's Cave in Georgia is the deepest cave in the state and features the deepest unobstructed pit in the continental ...

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 ...

We hear how a team of researchers at the University of Northern Iowa is exploring the deepest caves in the U.S. with NASA funding. This could inform the search for life on other planets. Host Ben ...

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 ...

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 ...

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 ...

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 ...