
Special Investigations
Billy Meier's UFO photos and prophecies bring him fame and controversy.

Billy Meier's UFO photos and prophecies bring him fame and controversy.

Claims suggest secret space programs have sent humans to Mars.

Experts investigate the mystery of the Bermuda Triangle researchers seek answers about strange sightings in Massachusetts a murderer may be responsible for a string of unexplained disappearances in Bennington, Vt.

New theories about the Mantell UFO incident are revealed scientific evidence may explain a UFO encounter in Texas experts investigate what really crashed into a Canadian harbor.

Experts investigate the abduction of Betty and Barney Hill new evidence surfaces about abductee Travis Walton there may be an earthly explanation for the Mothman.

People who cheated death.

Creatures that are seemingly half-man and half-beast, including the tale of a bloodthirsty werewolf-like creature that appears on a country road in Wisconsin.

Rumbling volcano beneath Yellowstone National Park.

Unsolved urban mysteries include a walrus skeleton found in a mass London grave, Moscow's secret Metro line and Prague's occult origins.

The mysteries of modern science that confound the experts, including time travel, the dark web and the secrets of morphic fields.

Explore the myths and legends of ancient civilizations, from Lemuria and Atlantis to the mystery of the Etruscans and the Forgotten Kingdoms of Tibet.

Aleks dives into Bigfoot lore in Pennsylvania's Pocono Mountains including the tale of the Suscon Screamer.

Exploring centuries of Bigfoot sightings, hoaxes and lore across Appalachia.

A program set up by the Special Operations Executive, the forerunner to MI6, to undermine German and Japanese officers by spraying them with a foul-smelling substance.

While Nazi scientists were conducting brutal experiments in an attempt to create an Aryan master race, a team of zoologists were overseeing their own bizarre science trials.

The story of Franz Stigler, a German Luftwaffe pilot in the Second World War who risked his own life to save the crew of an American B-17 bomber.

In the aftermath of Justin Smeja's story, a number of researchers probe the Northern Sierras for Bigfoot evidence.

In 2010, Justin Smeja shoots a Sasquatch, buries it and sparks chaos across the Bigfoot community.

A journey into some of North America's most isolated forests in search of the legendary, Bigfoot Seth Breedlove joins groups like The North American Wood Ape Conservancy, and The Ohio Night Stalkers as the seek evidence of the creature's existence.

A journey into some of North America's most isolated forests in search of the legendary, Bigfoot Seth Breedlove joins groups like The North American Wood Ape Conservancy, and The Ohio Night Stalkers as the seek evidence of the creature's existence.