History's Greatest Mysteries
Geoglyphs made in the Peruvian desert that span over 50 miles.
Geoglyphs made in the Peruvian desert that span over 50 miles.
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Examining mankind's fascination with the dead, from ancient civilizations to 20th-century empires.
Exploring the center of the Earth.
The team invites former members of the U.S. military connected to the "Tic Tac" UAP encounter.
The team conducts a new aerial experiment over the Triangle Area above Skinwalker Ranch.
A sighting of a 30-foot-long serpentine sea monster; Tony Harris and his team investigate.
Potential sightings of a dreaded Filipino creature known as the Aswang; a wolf in Saskatchewan.
A rubber duck UFO; a man who claims to have killed Bigfoot.
A dinosaur living in the Congo; a girl with superhuman strength; an alien structure on an asteroid.
A prehistoric-looking creature washed ashore in Georgia.
Videos of acrobats flipping over speeding cars; an amorphous crawling creature.
The team looks into a new sighting of Sasquatch in the trees of California.
A man believes he recorded Bigfoot calls on video while foraging for mushrooms.
Sighting of a UFO from the window seat of a passenger jet; a strange underwater discovery.
Examining the claims of "Ohmawing": the theory that bigfoot makes sounds that can make people sick.
A sighting of a 30-foot-long serpentine sea monster; Tony Harris and his team investigate.
Potential sightings of a dreaded Filipino creature known as the Aswang; a wolf in Saskatchewan.
A rubber duck UFO; a man who claims to have killed Bigfoot.
A dinosaur living in the Congo; a girl with superhuman strength; an alien structure on an asteroid.
A prehistoric-looking creature washed ashore in Georgia.
Videos of acrobats flipping over speeding cars; an amorphous crawling creature.
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