Caves

400 million years of erosion shaped these fascinating seaside caves, which made an appearance on 'Game of Thrones.'

A massive cave once a secret military base is now home to thousands of bats.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

An 18th-century hideout became a permanent and ongoing residence for one Lesotho tribe.

The waters of these secluded falls are said to have healing powers.

The walls of this sandstone outcropping are covered with 2,000-year-old artwork.

Mind the rock monster at this cave.

These 400 million-year-old caves feature honeycomb limestone formations.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

In Rickwood Caverns, visitors can travel hundreds of feet underground and see beautiful formations unique to the region.

An eighth-century rock-cut cave temple in the middle of Pune.

Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.