Cathedral Caverns State Park is one of Alabama’s most impressive wonders. It’s tucked away in the northeast region of 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.

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 ...

(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 ...

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 ...

Cave City, the home to Mammoth Cave National Park, is giving visitors reason to stop and explore. Cave City in Barren County is home to Mammoth Cave National Park. Over the years, the city has gone ...

When Aidan Ward answered his phone from a clearing off the side of a road in southern New Mexico, he was exactly where he wanted to be: helping a geologist friend with cave research at Carlsbad ...

Local cavers detail the beauty of caves and what fuels their passion to keep exploring. The Central Indiana Grotto is a group of cavers who meet monthly in Indianapolis. Each year they host an event ...