
Ancient Aliens
Theorists investigate the possibility that extraterrestrials aided the survival of mankind.

Theorists investigate the possibility that extraterrestrials aided the survival of mankind.

Mount Shasta is known as a hotbed of strange events, from Big Foot sightings to UFO encounters.

Researchers argue that an English manor house is the epicenter of British research into UFOs.

Metal artifacts may provide evidence of extraterrestrials visiting Earth in the distant past.

Satellite imagery reveals what appears to be the tops of manmade pyramids in Antarctica.

Presidential encounters with UFOs can be found going all the way back to George Washington.

Counting down world alien encounters; first reported abduction event.

Theorists investigate the possibility that extraterrestrials aided the survival of mankind.

Mount Shasta is known as a hotbed of strange events, from Big Foot sightings to UFO encounters.

Researchers argue that an English manor house is the epicenter of British research into UFOs.

Metal artifacts may provide evidence of extraterrestrials visiting Earth in the distant past.

Satellite imagery reveals what appears to be the tops of manmade pyramids in Antarctica.

Presidential encounters with UFOs can be found going all the way back to George Washington.

Counting down world alien encounters; first reported abduction event.

Theorists investigate the possibility that extraterrestrials aided the survival of mankind.

Mount Shasta is known as a hotbed of strange events, from Big Foot sightings to UFO encounters.

Researchers argue that an English manor house is the epicenter of British research into UFOs.

Metal artifacts may provide evidence of extraterrestrials visiting Earth in the distant past.

Satellite imagery reveals what appears to be the tops of manmade pyramids in Antarctica.

Investigator Ben Smith travels to Jesse Marcel's hometown on Louisiana's Gulf Coast.