
Ancient Aliens
A church in France; locals in Peru believe UFO sightings are connected to lost gold; alien library.

A church in France; locals in Peru believe UFO sightings are connected to lost gold; alien library.

Researchers ask whether fabled creatures were the result of alien transplantation procedures.

Theorists speculate that Bigfoot creatures belong to an alien species that visited Earth.

Questioning how humans learned to heal by exploring ancient possibilities involving the human body.

In Ireland, the notion of the fairy folk originates with stories of shining beings from the sky.

Beings with big heads and giant eyes are called the greys and have been depicted in ancient art.

Theorists ask whether the truth of humankind's origins can be found in mysterious relics.

A church in France; locals in Peru believe UFO sightings are connected to lost gold; alien library.

Researchers ask whether fabled creatures were the result of alien transplantation procedures.

Theorists speculate that Bigfoot creatures belong to an alien species that visited Earth.

Questioning how humans learned to heal by exploring ancient possibilities involving the human body.

Counting down world alien encounters; first reported abduction event.

Erich von Daniken's theories that have ignited a movement known as Ancient Astronaut Theory.

The possibility that alien sightings may be evidence of time travelers from the future.

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

Giorgio Tsoukalos takes a look back at the most mysterious artifacts from all over the globe.

Giorgio Tsoukalos takes a look back at evidence that could offer proof that aliens exist.

Giorgio Tsoukalos looks back at the top 10 reports of encounters with strange and mysterious beasts.

Counting down world alien encounters; first reported abduction event.

Erich von Daniken's theories that have ignited a movement known as Ancient Astronaut Theory.