Cave Lake State Park near Ely, Nevada is that kind of revelation – the wilderness equivalent of finding out your quiet neighbor is secretly a rock star. Nevada’s reputation as a desert state with ...

For those interested in more substantial natural wonders, Onyx Cave Park offers underground adventures just a short drive from downtown. Discovered in 1891, this limestone cave features fascinating ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for ...

Beneath the idyllic resort towns of Mexico 's Yucatan Peninsula, daring explorers have uncovered a hidden world of grand ...

A newly discovered supercave in Spain stretches 16.5 miles, featuring a 3,000-foot vertical drop. What lies beneath?

While you might assume the Nullarbor Plain is a vast expanse with not much to see, a recent discovery has stunned scientists.

Montana has several state parks worth visiting, but if you want to see the very first one that offers limestone caverns, here ...

Learn key facts about Dames Cave Trail in Withlacoochee State Forest from hidden sinkholes to forest scenery so you can hike ...

Explorers in southern Spain have linked two deep caves into one “supercave system” about 16.4 miles long. The connection sits ...

Florida may be best known for its soft-sand beaches, but the state is also home to many other beautiful natural wonders.

Scientists have identified several caves carved by water and they may have held or have evidence of extraterrestrial life.

Discover rarely seen Kentucky caves, from historic Sand Cave to remote Buffalo Cave, and explore the state’s hidden ...