Latest Full EpisodesSee all »
Explore the dark, evil power at the heart of Everglades National Park.
Powerful forces may be at work inside the Grand Canyon National Park.
Many believe the fire goddess Pele protects Volcanoes National Park.
Joshua Tree National Park may be ground zero for alien genetic experiments.
Video ClipsSee all »
Cast & Details
- Premiered: May 1, 2015
- Rating: TV-PG
- Premise: An investigation into mysterious events in U.S. history that are connected to national parks.