One of the world's deepest and most dangerous caves lies in Abkhazia, a disputed part of Georgia. It takes days to get to the ...

the “trail” to Krubera Cave drops down a chain of pitches, cascades, and pits—some more than 100 meters (328 feet) deep—connected by narrow rift passages called meanders. The cave ...

Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, ...

A Tennessee dog spent three days trapped in a cave with a bear. The hunting dog, named Charlie, became trapped about 40 feet down an “[extremely] narrow” cave shaft in Sevier County ...

Ahead, the cave clamped into a narrow shaft of jagged ... that contained a palatial system of caverns bigger than most mansions. Dozens of smaller private caves dotted the landscape.