Each of these caves has unique features that set them apart from other caves in the U.S., whether it's a distinct biological phenomenon, geologic features, or a strange history.

Deep inside Pettyjohns Cave, we stumbled across a network of strange water tunnels that felt like something out of another world. Wading through tight, flooded passages and echoing chambers, ...

A new species of coral has been discovered that clings to the ceilings of underwater caves in the western Pacific's Coral Triangle. IE 11 is not supported.

News; Weird News; Aliens; Cave explorer discovers hidden terrifying 'baby alien' skeleton as locals claim 'it isn't human' Edu Survivencia was exploring caves in Monterrey, Mexico, in a protected ...

The landscape is stark, dark and dramatic, formed by a series of eruptions in the last 16,000 years that have stacked layer ...

Critters After a Long Saga, a Weird Little Texas Cave Critter Is Staying on the Endangered Species List The blind, elusive Bone Cave harvestman was at the center of a right-wing attempt to weaken ...

Also known as the cave state, Missouri boasts nearly 7,500 caverns including the "Devil's Den" and Crystal Cave. ... You will experience well-lit walkways and strange cave formations.

A team of researchers from the University of Adelaide, in collaboration with cavers, has uncovered a large number of eyeless, ...

Tourists generally hadn’t been visiting the remote Crazy Paving Cave to see the spider that lived in there, but rather the ...