A secret underground Nazi base may be the reason for UFO sightings inMontana's Glacier National Park. It may also be the final hideout for Adolf Hitler himself.
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.
The fabled Chupacabra in Puerto Rico's El Yunque National Forest may be linked to UFO sightings and a secret US government research facility in the area.
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.
A tragic plane crash, shocking murders and mysterious python infestation suggest a dark, evil power at the heart of Florida's Everglades National Park.