The US National Parks have some of the most iconic landscapes in the U.S. But there is also an underwater side to explore!

Explore the depths of Devils Hole, an underwater cave nestled in the vast desert of Death Valley National Park. Aside from its peculiar location, this complex cave system is home to the rarest fish in the world, the Devils Hole Pupfish. Get ready to dive a world unlike any other.

Devils Hole

It's said that whatever exits the well can never return. Go on an underwater journey to Montezuma Well, home to the origin story of Southwest Native American tribes—and a bizarre mystery that continues to baffle researchers to this day.

Montezuma Well

The USS Arizona is more than a memorial to America's past - it is a scientific treasure with immense value due to the marine environment which formed around it. Learn about the new methods being developed to map this underwater relic, which includes an ROV to explore hidden areas of the sunken ship.

USS Arizona: Part 1

December 7th, 1941 - a day that altered human history. Relive the attack on Pearl Harbor through survivor interviews, archive footage and new underwater imagery of the USS Arizona, one of the US Navy battleships which sank during the aerial attack on the Hawaiian port.

USS Arizona: Part 2

A treasure of the National Park Service, Buck Island is home to some of the most spectacular coral reefs in the Caribbean. Join dive teams as they search for shipwrecks, and protect coral from destructive diseases.

Buck Island

In 1948, a top secret aircraft project known as “Sun Tracker” crashed into the vast desert waters of Lake Mead. After decades of searching, the B-29 Super-fortress airplane wreck is now open for diving.

Lake Mead

Yellowstone, the world's first National Park, is known for its beautiful forests, wildlife and waterfalls—but beneath its water's surface, there lies a complex environment. From deep geothermal smokers to marine life, the crown jewel of the Park Service is an underwater wonder in itself.