Chris joins a team of scuba divers...in the desert! 

Death Valley National Park is the hottest place on Earth and the driest place in North America. The heat that builds beneath Death Valley’s cloudless skies radiates off barren rocks and sinks into the valley bottoms, where it warms, baking everything it touches and evaporates any water foolish enough to linger at the surface.

But beneath miles of dry desert land - in the largest national park in the lower 48 - is something you can't see from the crusty surface. A secret watery world, hidden underground. And a cave system that is home to the world’s rarest fish. The Devil’s Hole pupfish is less than an inch long, but has caused quite a stir.

In this episode of THE WILD, Chris travels to Death Valley National Park to learn about how this tiny fish has made history and has changed our understanding of desert water in some remarkable ways.

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For some great photographs and clips from our journey through the national parks, check out our Instagram @thewildpod and @chrismorganwildlife.

THE WILD is a production of KUOW, Chris Morgan Wildlife, and the NPR Network. This episode was produced by Lucy Soucek, written by Christopher Preston and edited by Jim Gates. THE WILD is hosted, produced and written by Chris Morgan. Fact checking by Apryle Craig. Our theme music is by Michael Parker.