About the Show

America's network of national parks represents vast, dense expanses of virtually unexplored wilderness — hotbeds for mysteries and the unexplained. Each episode delivers several haunting stories to add to the backdrop and natural beauty of some of the country’s most famous national parks.
Season 1, Episode 1

Portal to the Underworld

Ghosts of a bizarre plane crash and a mysterious underground city point to powerful forces at work inside Grand Canyon National Park.

Thursday
Apr 6
9am | 8c
Season 1, Episode 8

Haunted Battleground

Ghost sightings, a secret government time-travel experiment, and Native American battles suggest that Pennsylvania's Gettysburg National Military Park is a place of unusual and mysterious power.

Thursday
Apr 6
9:30am | 8:30c
Season 1, Episode 3

Firestarter

Believed to be the work of Pele, the fire goddess, black magic, mysterious deaths and violent fireballs haunt Hawaii Volcanoes National Park. 

Thursday
Apr 6
10am | 9c
Season 1, Episode 2

Flight to Hell

A tragic plane crash, shocking murders and a mysterious python infestation suggest a dark, evil power deep in the heart of Florida's Everglades National Park.

Thursday
Apr 6
10:30am | 9:30c
Season 1, Episode 5

Nazi UFO's

While some believe the random flashes of light at Glacier National Park in Montana are evidence of extraterrestrials, a trail of clues leads to an even more shocking theory: that the technology causing them may be Nazi in origin.

Thursday
Apr 6
11am | 10c
Season 1, Episode 6

The Land of the Lost

Unexplained disappearances, a mysterious death and a Karuk Indian legend are linked to a race of superhumans in California's Shasta National Forest.

Thursday
Apr 6
11:30am | 10:30c