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. A Curiosity Stream / NPS Submerged Resources Center production.

In 1948, a WWII era bomber carrying a top-secret project known as “Sun Tracker” crashed into the vast desert waters of Lake Mead National Recreation Area. After decades of searching, the B-29 Super-fortress wreck is now open for diving. A Curiosity Stream / NPS Submerged Resources Center production.

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. A Curiosity Stream / NPS Submerged Resources Center production.

A treasure of the National Park Service, Buck Island National Monument is home to some of the most spectacular coral reefs in the Caribbean. Join NPS researchers as they search for sunken slave ships and seek to understand destructive coral diseases. A Curiosity Stream / NPS Submerged Resources Center production.

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. A joint Curiosity Stream / NPS Submerged Resources Center Production.

December 7th, 1941 - a day that altered human history and plunged the US into World War II. Relive the attack on Pearl Harbor through survivor interviews, archive footage and new underwater imagery of the USS Arizona, the fallen battleship that represented the single greatest loss of life from the Japanese aerial attack. A joint Curiosity Stream / NPS Submerged Resources Center production.

The USS Arizona is more than a memorial to America's past - it is a resource with immense scientific potential to shed light on WWII era shipwrecks due to the marine environment in which it rests. Learn about the new methods being developed by the National Park Service and partners to map this underwater icon, which includes an ROV to explore hidden areas of the sunken ship. A joint Curiosity Stream / NPS Submerged Resources Center Production.