If you're looking to explore the hidden treasures below the surface, underwater cave adventures are as unique as they come ...

Sistema Sac Actun, the world's largest underwater cave system, spans an impressive ... found in Egyptian mummy DNA Man finds mysterious rock that turns out to be rare meteorite worth a fortune ...

The Waitomo Caves are not entirely underwater, but the underwater ... offering a perfect view of the cave’s ancient rock formations. The cave features a series of tunnels that wind through ...

A cave diver's paradise, the Bahamas is home to an extensive network of life-sustaining underwater caverns chock-full of history—and a whole lot of mystery.

A group of divers have connected two underwater caverns in eastern Mexico to reveal what is believed to be the biggest flooded cave on the planet, a discovery that could help shed new light on the ...

The Canary Islands not only boast the third largest volcano in the world, but also the largest natural underwater ... in the natural rock formations inside the cave, while others believe that ...

Time, water, and geologic forces have converged to create underwater sinkholes where oxygen ... and gypsum bedrock — rock that was formed from the remains of saltwater seas that once covered ...

Curious divers on South Australia's Limestone Coast are hoping to one day be able to dive into one cave and come out another, ...

Both caves are part of one of the world's longest underwater limestone cave systems ... Many travelers were smitten with Gold Rock Beach, commenting on the clear waters, lack of crowds and ...