Episode 1
Portal to the Underworld
2015-10-23 • 21 min
Ghosts from a bizarre plane crash and a mysterious underground city point to powerful forces at work inside the Grand Canyon National Park.
TV season
2015-10-23
Episode 1
2015-10-23 • 21 min
Ghosts from a bizarre plane crash and a mysterious underground city point to powerful forces at work inside the Grand Canyon National Park.
Episode 2
2015-10-29 • 21 min
A tragic plane crash, shocking murders, and mysterious python infestation suggest a dark, evil power at the heart of Florida's Everglades National Park.
Episode 3
2015-10-29 • 21 min
Black magic, mysterious deaths, and violent fireballs haunt Hawaii's Volcanoes National Park. Many believe this is the work of Pele, the fire goddess.
Episode 4
2015-10-29 • 21 min
A Bigfoot-like creature and UFO sightings suggest that California's Joshua Tree National Park may be ground zero for alien genetic experiments.
Episode 5
2015-11-06 • 21 min
A secret, underground Nazi base may be the reason for UFO sightings in Montana's Glacier National Park. It may also be the final hideout for Adolf Hitler himself.
Episode 6
2015-11-13 • 21 min
Unexplained disappearances, a mysterious death and a Karuk Indian legend may be linked to a race of superhumans in California's Mount Shasta National Forest.
Episode 7
2015-11-13 • 21 min
The fabled Chupacabra in Puerto Rico's El Yunque National Forest may be linked to UFO sightings in the area and a secret US government research facility.
Episode 8
2015-11-13 • 21 min
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.