Caves

Ancient paintings known as the "Sistine Chapel of Cave Art."

Legend says this cave housed a 16th-century cannibal and his family of 48.

A real-life "hobbit" cave in Flores, Indonesia.

Renowned restaurant tucked in a cave once occupied by buccaneers.

Modern-day cave dwellers carve elaborate homes out of volcanic debris.

A phallic shrine to a princess goddess in Krabi, Thailand.

Why have you never heard of the second most popular tourist site in New York?

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

Venture into the hideout of one of Hong Kong's legendary pirates.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.

Gigantic Romanian salt mines used to heal respiratory conditions.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

One of Chile's most active volcanoes is riddled with beautiful caves.

A gargantuan crystal kingdom.

The glowing blue Nymphaeum of Emperor Tiberius.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

Inside this mountain lies several kilometers of breathtaking caves.