An excellent diving site, this incredible duo of caves is a favorite of both tourists and locals alike. The two caves—known as Cenote Dos Ojos—were created by two 70-foot sinkholes connected by a ...

The cave of Diros on the Peloponnese peninsula is a wonder of nature where an artistic miracle has been sculpted in the ...

Aug. 30 (UPI) --Scientists have discovered ancient deposits in the Artà Cave on the island of Mallorca that suggest sea levels 3.5 to 4 million years ago were more than 50 feet higher than they are ...

Larry Mayer is headed out this week on a ship to explore the Channel Islands off the Southern California coast. Well, he’s actually exploring seafloor formations near the islands, looking for evidence ...

Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, with strange rock formations and the occasional glow from naturally occurring ...

A yellow splash of light from Bogdan Onac’s headlamp bounces around the dripping orange walls of a cave like a frenetic firefly. At the other end of the beam, the University of South Florida ...

GOLETA, Calif. – Just off the coast of Goleta, a chain of recently installed cement sea caves rests on the ocean floor, installed to reintroduce a kelp forest along the Central Coast of California.

YOUR SUBTERRANEAN STATE: Is it true that you can direct any out-of-town friend to the best attractions, most interesting museums and loveliest outdoor destinations? Surely you can, because if you're ...