National Park Mysteries

Mysteries at the National Parks

Montana's Glacier National Park may hide a secret underground Nazi base, where Nazi scientists built advanced flying technology, and may even be the final hideout for Adolf Hitler himself.

Visitors to Pennsylvania's Gettysburg National Park report numerous sightings of ghosts, which appear to be soldiers from one of the bloodiest battles in US history. Long before the Civil War researchers discover the area's bloody history from Native American battles. This leads to speculation th...

El Yunque National Park harbors a powerful creature called the Chupacabra that is linked to UFO sightings in the area, leading to theories of a US government facility conducting secret experiments.

Parents wonder what compelled their well-adjusted son to climb up Mount Shasta at dusk the day before his body was found.

UFO sightings at Joshua Tree National Park lead to the invention of the anti-ageing machine, links to a powerful creature called Yucca Man, and to theories of alien-human genetic experiments that could enslave the human race.

Hawaii's Volcanoes National Park is the site of strange curses, black magic, and mysterious deaths which some believe may all be linked to the Hawaiian Goddess of the Volcano, Pele.

Researchers speculate over the Grand Canyon National Park and a series of strange events, looking at a plane crash and an underground city.

A look at a tragic plane crash in Everglades National Park and consequent haunting on board other planes, and two serial killers who find themselves drawn to the Everglades' swamps.