
Ancient Aliens
A cave in Ecuador that may contain books on alien technology; an ancient underground city in Turkey.

A cave in Ecuador that may contain books on alien technology; an ancient underground city in Turkey.

Investigating whether the secrets of technology came from our imaginations or from aliens.

Counting down the top artifacts that could prove aliens once walked among us.

Wernher von Braun's prediction that people would build a space station has become reality.

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

Possible alien assistance in the creation of new weapons technology.

Examining a recently discovered lost city in Peru that has upended the timeline of South America.

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

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

A 1952 memo surfaces about a top-secret U.S. government group tasked with investigating UFOs.

Taking a look at incredible stories of the dead rising; mummies traveling into the afterlife.

A 14,000-year-old set of ruins with complex interlocking blocks defies earthly explanation.

Possible alien assistance in the creation of new weapons technology.

Examining a recently discovered lost city in Peru that has upended the timeline of South America.

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

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

A 1952 memo surfaces about a top-secret U.S. government group tasked with investigating UFOs.

Taking a look at incredible stories of the dead rising; mummies traveling into the afterlife.

A 14,000-year-old set of ruins with complex interlocking blocks defies earthly explanation.

Possible alien assistance in the creation of new weapons technology.