Here’s a look at the 10 largest caves in the world, based on volume, passage length, or the size of individual chambers ...

Jewel Cave National Monument is located about 13 miles (21 km) west of Custer, South Dakota, and 24 miles (38.6 km) east of ...

Hiking, biking, horseback riding — there’s a lot offered in the United States’ many national parks. But there’s only one that’s home to the world’s longest cave. That 400-mile wonder can be found ...

The Chihuahuan Desert is a sparse but stunning ecosystem straddling the border between Northern Mexico, Southern New Mexico, ...

The world’s longest haunt will open this week for a season of screams! The Lewisburg Haunted Cave opens Friday on the most ...

Documentary maker Nays Baghai learnt cave diving so he could film pioneer diver Jill Heinerth in some of the world's deepest ...

Researchers say this 200-year-old South African cave painting likely depicts an animal that has been dead for over 200 ...

Near Ruidoso, New Mexico lies a 19th century military fort, now a state historic site, surrounded by public land and thick, ...

Unusual tusks on preserved skulls of dicynodonts influenced the look of a mythical beast painted by Southern Africa’s San people, a researcher suspects.

Found deep inside a system of caves, fossilised bones from a Neanderthal head have been revealed to have come from a member ...

Located at Delaware’s border off Beaver Dam Road, in true Delaware fashion, this cave is relatively small – just 56 feet long ...

It’s one of the longest and most complex caves, offering a unique underground experience. It is another remarkable underwater cave system in Mexico. Its interconnected chambers have revealed ancient ...