This is the deepest cave in the world, reaching 7,293 feet deep into the earth. It also has a chance of flooding, and the ...

When Floyd Collins ventured into Sand Cave in Kentucky on Jan. 30, 1925, he was searching for the next big attraction. But he ...

In 2001 a team led by Ukrainian Yuri Kasjan set a world record in the cave of 1,710 meters (5,610 ... “The water was so cold I lost the feeling in my fingers,” he said later.

A DANGEROUS ice cave in Argentina dubbed "the End of the World" for its closeness to the South Pole has collapsed four years after a tourist's horror death. The Jimbo Cave, located in Ushuaia’s ...

the sound can be heard anywhere from within the cave system, which covers about 64 acres (260,000 square meters). That makes it the largest musical instrument in the world. We’ll save the ...

Despite all those years of exploration, still each year, courageous cave explorers discover new tunnels and rooms underground and thereby stretch the known limits of the world's longest and ...

Discovered in 1999 inside an abandoned mine in Southern Spain, Pulpí Geode is the largest crystal 'cave' of ... the Cold War buildings that changed history. As the World Economic Forum closes ...

For just a few weeks a year, sunbeams shine two hundred metres down through a hole in the cave roof, illumining the underground world. Filming this natural lightshow successfully relied on it ...