Top Secret Swimming Holes

Dive into the Devil's Armchair, an underground river and a healing oasis.

This grotto dive in Brazil starts with a 300-foot zip line into a lake.

Explore Scotland's Fingal's Cave and its incredible basalt columns.

Explorers uncover top secret swimming holes, scuba dives and cliff jumps.

These thrill-seekers swim with sharks in Belize and kitesurf the Carribean.

Dive into Buracao Canyon, a hidden waterfall and a crystal-clear tide pool.

We're swimming with the locals in hidden spots from Utah to Easter Island.

We're sandboarding in South Africa and exploring other secret spots.

We're checking out Australia's secret Champagne Pools and more!

Thrill seekers track down the world's most action-packed beaches.

Adventure seekers trek across an iceberg-laden lake in Iceland.