Kitch-iti-kipi, Michigan’s largest freshwater spring sits in the Upper Peninsula, where it pumps out 10,000 gallons of clear ...

Crystal Cave is reopening after a four-year closure, inviting visitors to marvel at its underground splendor. Tickets for ...

The most studied subject of all at the Devil’s Sinkhole is the Mexican free-tailed bat, a cherished mammal by farmers in ...

Claiming a mere 15 miles or so in length, Roaring River is one of the shortest rivers in the nation, but its source, Roaring ...

Crystal Cave in the Sequoia National Park is set to reopen after a four-year closure, with guided tours available from May 23 ...

A team of explorers rappelled into the shaft-like cave and found a “pinkish” animal living in a cold river of the “deep dark zone.” Take a look.

A research team’s astonishing claims that they discovered massive underground structures extending hundreds of feet deep ...

Deep below the Earth’s surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

Discover free accounts and keys for The Forest on Steam! Find out how easy it is to access this exciting game about survival ...

Cave of the Winds is a must-visit for anyone seeking to explore the wonders of the underground world. The Lost Sea in ...

BEE CAVE, Texas — Dog lovers, you won't want to miss this golden opportunity. Next month, the annual Largest Golden Retriever Meetup in Texas is taking place for the third year in a row.

Matevulu Blue Hole. The blue holes are waterholes full of electric-blue, crystal-clear water created by mountain water filtered through kilometres of underground caves. For a sleepy place ...