
Special Investigations
Strange three-fingered mummies discovered in Nazca raise questions of alien origin..

Strange three-fingered mummies discovered in Nazca raise questions of alien origin..

Roswell's 1947 UFO crash sparked lasting debate and claims of alien cover-up, cementing its iconic status..

Lt. Ryan Graves and pilots in his squadron detect and engage with UFOs on multiple occasions he gave a detailed description of regular encounters that flight teams had with a black box UFO they were seeing every day.

In 1978, UFO enthusiast Paul Bennewitz claims he's intercepted extraterrestrial messages military officials send counter intelligence officer Richard Doty to feed Bennewitz lies questioning whether Doty himself is a pawn in an even bigger scheme.

Centuries of reports of hair-covered creatures roaming Alaska have been uncovered. Yet, beyond the mysterious apelike animals that haunt the forests of the 49th state there exist numerous legends of horrific beings that blur the line between Bigfoot.

An Arizona woman claims to have been fathered by an alien in a top-secret government experiment.

A doctor finds carvings that may indicate humans and dinosaurs coexisted.

A skydiver survives a fall when her parachute fails the possibility of spontaneous human combustion.

A deep dive into people who vanished and were never found from a British secret agent to an intrepid explorer from a famous family.

Human sacrifice fueled by religious and cultural beliefs that include ritualistic burnings and bloodlettings.

Locations around the world with special religious significance from a Catalonian monastery to South Dakota's Black Hills.

Classified military projects from false flag operations to America's recruitment of Nazi scientists after World War II.

Individuals whose identities remain a mystery including D.B. Cooper, Jack the Ripper and the Man in the Iron Mask.

Explores discussing a very well-known mass UFO sighting with a witness, even though this isn't the only one ever made.

Shannon investigates a purported 2017 UFO video and the claims of an eyewitness.

A daring plan devised in 1943 by the inmates of the Death Camp at Sobibor, as they staged an organized rebellion to fight back against their Nazi oppressors.

The story of Herman Goering's younger brother Albert, who was opposed to Nazism and helped Jews and others escape persecution in Germany, but found himself shunned due to his name.

Bart Cutino's Sierra Nevada expedition takes a turn when he's surrounded by Sasquatches overnight.

Lake Tahoe's Bigfoot lore resurfaces as Bob and Kathy Strain revisit the audio that was recorded there.

Large unidentified objects appear over Kremlin and Pentagon.