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An investigation into mysterious events in U.S. history that are connected to national parks.
Season 2, Episode 11
May 22, 2017
Yosemite National Park, home to reports of ghost and UFO sightings, mysterious disappearances and a pre-historic Pterodactyl, is spotlighted.
Season 2, Episode 9
Chaco Canyon National Historical Park is spotlighted for incidents involving shape-shifting creatures and time-travelling wingmakers.
Season 2, Episode 12
Mark Twain National Forest, haunted by hellhounds and other demonic creatures and rumored to be connected to a lost civilization, is spotlighted.
Season 2, Episode 10
Reports of mysterious lights and mechanical sounds at Great Smokey Mountains National Park are examined.
Season 2, Episode 7
May 15, 2017
An alien abduction and other strange encounters at Apache Sitgreaves National Forestsare investigated.
Season 2, Episode 8
Encounters with gun-wielding ghosts and other savage creatures at Cleveland National Forest are investigated.
Season 2, Episode 5
May 14, 2017
A series of disturbing deaths and disappearances that occurred at Death Valley National Park are examined.
Season 2, Episode 6
Bizarre incidents that indicate extra-terrestrial activity at Big Bend National Park are spotlighted.
Season 2, Episode 3
May 7, 2017
Several mysteries at Canyonlands National Park are investigated, including a demonic truck driver; disembodied voices; nightmarish skinwalkers; and a time loop.
Season 2, Episode 4
Crater Lake National Park, rumored to be harboring sinister forces from Native American lore that kill the park's visitors, is spotlighted.
Season 2, Episode 2
May 1, 2017
Encounters involving sentient reptiles at Lassen Volcanic National Park are examined.
Season 2, Episode 1
In the Season 2 premiere, strange lights, animal mutilations and other bizarre incidents at Great Sand Dunes National Park are studied.
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