In 1518 the town of Strasbourg was seized with the incurable urge to dance. To this day, no one knows what caused many townspeople to dance themselves to death.

Explorers believe they may have found evidence of this lost ancient civilization

Researchers attempt to determine what has caused hundreds of planes to mysteriously disappear in what is known as the Bermuda Triangle.

The secret society known as the Freemasons had more of an influence over the inception of the United States than many might realize.

Did a tribe of warrior women really exist in the Amazon jungle?

Found without passengers but full of cargo, the story of the Mary Celeste remains a mystery.

Journey back in time to uncover how dinosaurs roamed the land and volcanoes erupted with fiery fury.

Experts recount the puzzling 1948 dogfight between World War II pilot George Gorman and a UFO, which was investigated by Dr. J. Allen Hynek.

Explore the true story of a strange pattern of unidentified lights seen by a group of professors from Texas Technical College in 1951.

Project Blue Book episode “The Green Fireballs” finds inspiration from the strange and luminous green objects that were seen flying through New Mexico in December 1948.

Could Bigfoot be descended from the prehistoric giant ape known as Gigantopithacus?

In 1980 in Texas, a car stopped when they saw an intense bright light. A diamond shaped object was pushing out immense heat. Watch this video and find out more about this mysterious UFO sighting.

Loch Ness expert Adrian Shine discusses his involvement with the Loch Ness Project and recaps his decades spent working to uncover the truth behind the Loch Ness monster.

Ancient cultures around the world have aroused fascination, and provoked fear with curses and objects used to conjure them like rings, tablets and stones. But is there proof that some might have actually worked?

Watch official U.S. government video of a 2004 UFO encounter, taken aboard a Navy fighter jet.

Some historians believe an ancient Greek temple could be the palace of Atlantis described by Plato in his writings.

In the 1940s, a chicken lived for two years without his head.

Official U.S. Navy video of a 2015 UFO encounter, taken aboard a Navy fighter jet from the nuclear aircraft carrier USS Theodore Roosevelt, off the eastern seaboard, near the Florida coast.

The recently discovered Lost Book of Nostradamus reveals drawings that may contain coded clues and dire warnings about what will happen in 2012.

Nostradamus may have foretold the coming of three antichrists beginning with Napoleon Bonaparte.

Nostradamus' prediction of a second antichrist has intriguing parallels to Adolf Hitler.

Learn more about Counter-Zombie Dominance, the Pentagon's plan in case of a zombie apocalypse.

A step by step process of how a body was prepared for mummification.

The Tomb of the Unknown Solider once held four bodies. Now there are only three. What happened?

Project Blue Book episode “Operation Paperclip” takes from the true story of two pilots spotting an elongated UAP.

Project Blue Book episode “Foo Fighters” draws from the 1944 sighting of mysterious orange lights.

Project Blue Book episode “Abduction” is framed based on the 1961 reported UFO abduction of Betty and Barney Hill in New Hampshire.

The Project Blue Book episode “War Games” draws from the unknown object detected and fired upon by soldiers in the Korean War.

The Project Blue Book episode “The Scoutmaster” follows the events on August 15, 1952, when a scoutmaster is singed by a mysterious mist.

There have been thousands of UFO sightings from various civilians across the United States.

In 1994, Zimbabwean kids spotted two glowing discs and sketched eerie, humanoid beings with large heads and haunting eyes.

In 1962 North Carolina, a deadly car crash leads to a shocking discovery—a rare piece of American history hiding in plain sight.

The sighting of a cryptid in 1950s West Virginia set off a frenzy. What really happened?