About the show

North America's outdoor country represents an expanse of virtually unexplored wilderness, making it a hotbed for mysteries and the unexplained. There have been hundreds of true tales reported by people every year. Now through eyewitness accounts and key facts, the hidden stories of these beautiful locales are revealed.

Season 2, Episode 2

Evil in the Desert

A series of disturbing deaths and disappearances, plus the unearthing of artifacts from an ancient race of people in Death Valley National Park leads to the discovery of malevolent forces that are believed to inhabit the park's secret underworld.

Thursday
Jul 25
12:30pm | 11:30c
Season 2, Episode 3

Spirits in the Forest

Terrifying encounters with gun-wielding ghosts and strange, savage creatures in Cleveland National Forest leads to the discovery of the area's bloody and tragic history and its link to the existence of portals into other dimensions.

Thursday
Jul 25
1pm | 12c
Season 2, Episode 4

Forest UFOs

An alien abduction and strange encounters with a humanoid monster in Apache-Sitgreaves National Forests point to a longtime extraterrestrial presence in the area. Are aliens using the forests to monitor nearby nuclear weapons facilities?

Thursday
Jul 25
1:30pm | 12:30c
Season 2, Episode 5

Subterranean Secrets

Mysterious lights, mechanical sounds from deep within the Earth and the disappearance of dozens of aircraft over the Great Smoky Mountains National Park could be evidence of a powerful secret society with an underground base in the area.

Thursday
Jul 25
2pm | 1c
Season 2, Episode 6

Demonic Demonion

Mark Twain National Forest, haunted by hellhounds and other demonic creatures, may also conceal treasures from a lost civilization, pointing to the area's importance as a locus of dark, mysterious energies.

Thursday
Jul 25
2:30pm | 1:30c
Season 2, Episode 7

Cosmic Gateway

The ancient Anasazi built Chaco Canyon National Historical Park, but now the area is stalked by shape-shifting creatures and visited by time travelers who left behind a mysterious artifact. These and other bizarre encounters suggest the park may be a portal between our world and distant star system.

Thursday
Jul 25
3pm | 2c
Season 2, Episode 8

Without a Trace

One of America's most beloved wilderness areas, Yosemite National Park, has a dark side. Experts believe the ghost and UFO sightings, mysterious disappearances and a prehistoric pterodactyl are caused by a rift in the fabric of time.

Thursday
Jul 25
3:30pm | 2:30c
Season 2, Episode 9

Creature Carnage

Visitors to Great Sand Dunes National Park have been seeing strange lights there since the 16th century, but in recent decades animal mutilations and other bizarre incidents may be evidence the area is a gateway for an alien civilization.

Thursday
Jul 25
4pm | 3c
Season 2, Episode 10

Reptoid Conspiracy

At Lassen Volcanic National Park, the explosive power of the earth's core is on display, but it's also the epicenter of a series of bizarre encounters with sentient reptiles known as reptoids. Experts believe these malevolent beings are working with extraterrestrials to take over the human race by planting human agents whose minds they control.

Thursday
Jul 25
4:30pm | 3:30c
Season 2, Episode 11

Deadly Waters

The shimmering waters of Crater Lake National Park captivate visitors, but they may also be the epicenter of dark, sinister forces from Native American lore that lure visitors to their deaths, conceal a terrifying monster and produce ghostly apparitions.

Thursday
Jul 25
5pm | 4c
Season 2, Episode 12

No Man's Land

A demonic truck driver, disembodied voices, nightmarish skinwalkers and a time loop are among the bizarre phenomena found in Canyonlands National Park, where the mineral quartz may be acting as a recorder of human experience.

Thursday
Jul 25
5:30pm | 4:30c
Season 1, Episode 3

Firestarter

Black magic, mysterious deaths, and violent fireballs haunt Hawaii's Volcanoes National Park. Many believe this is the work of Pele, the fire goddess.

Thursday
Jul 25
6pm | 5c
Season 1, Episode 4

Ape Man and Aliens

A Bigfoot-like creature and UFO sightings suggest that California's Joshua Tree National Park may be ground zero for alien genetic experiments.

Thursday
Jul 25
6:30pm | 5:30c
Season 2, Episode 10

Reptoid Conspiracy

At Lassen Volcanic National Park, the explosive power of the earth's core is on display, but it's also the epicenter of a series of bizarre encounters with sentient reptiles known as reptoids. Experts believe these malevolent beings are working with extraterrestrials to take over the human race by planting human agents whose minds they control.

Saturday
Aug 3
7am | 6c
Season 2, Episode 11

Deadly Waters

The shimmering waters of Crater Lake National Park captivate visitors, but they may also be the epicenter of dark, sinister forces from Native American lore that lure visitors to their deaths, conceal a terrifying monster and produce ghostly apparitions.

Saturday
Aug 3
7:30am | 6:30c
Season 2, Episode 12

No Man's Land

A demonic truck driver, disembodied voices, nightmarish skinwalkers and a time loop are among the bizarre phenomena found in Canyonlands National Park, where the mineral quartz may be acting as a recorder of human experience.

Saturday
Aug 3
8am | 7c
Season 2, Episode 5

Subterranean Secrets

Mysterious lights, mechanical sounds from deep within the Earth and the disappearance of dozens of aircraft over the Great Smoky Mountains National Park could be evidence of a powerful secret society with an underground base in the area.

Saturday
Aug 10
7am | 6c
Season 2, Episode 6

Demonic Demonion

Mark Twain National Forest, haunted by hellhounds and other demonic creatures, may also conceal treasures from a lost civilization, pointing to the area's importance as a locus of dark, mysterious energies.

Saturday
Aug 10
7:30am | 6:30c
Season 2, Episode 7

Cosmic Gateway

The ancient Anasazi built Chaco Canyon National Historical Park, but now the area is stalked by shape-shifting creatures and visited by time travelers who left behind a mysterious artifact. These and other bizarre encounters suggest the park may be a portal between our world and distant star system.

Saturday
Aug 10
8am | 7c