Underwater Wonders of the National Parks
The US National Parks have some of the most iconic landscapes in the U.S. But there is also an underwater side to explore.
- 2016-2016
- 1 season
- Documentary
The US National Parks have some of the most iconic landscapes in the U.S. But there is also an underwater side to explore.
Currently not available to stream. Add it to your Watchlist to be notified when it becomes available.
Content not available in your region?ExpressVPNcan help you stay connected wherever you are.Get 4 extra months FREE with TV Guide's exclusive offer.
Season 1 Episode Guide
Episode 1
Devils Hole
Sun, Oct 18, 2026 15 mins
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.
