Is this rock trying to convey a secret message? See more in Season 1, Episode 7, "Aliens Codes and Messages." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other great ...

Could this technology come from an extraterrestrial origin? See more in these clips from Season 19, Episode 12, "The Top Ten Mysterious Devices." 00:00 Temple Mount, Jerusalem 02:41 Aegean Sea 07:21 Mt. Sinai, Egypt Watch your favorite episodes of Ancient Aliens on The HISTORY Channel ...

These ancient civilizations were built in a very similar pattern. See more in this scene from Season 1, Episode 7, "Aliens Codes and Messages." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from ...

These islands are home to some of the oldest and most astounding ruins of the ancient world. See more in this clip from Ancient Aliens. 00:38 British Isles 05:58 Malta 10:52 Pohnpei Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. ...

These clips of mysterious flying crafts will blow your mind. See more in this clip from Season 19, Episode 14, "The Top Ten Alien Craft." 00:43 Palaces in the Sky 03:06 Cigar-Shaped Craft 07:21 Flying Saucers #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY ...

Check out these wild UFO sightings in this compilation from The Proof Is Out There. Watch all new episodes of The Proof Is Out There, Fridays at 10/9c, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. If you are interested in submitting ...

Do these obelisks have UFO-charging powers?! See more in this scene from Season 1, Episode 8, "Energy Lines and Hot Spots." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and ...

Are extraterrestrials tapping into a universal network? See more in this scene from Season 1, Episode 9, "Aliens and the Superhuman Mind." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from ...

These UFO sightings are indescribable. See more in this compilation from Ancient Aliens. 00:00 Roswell Crash 05:36 UFO in San Diego 09:40 Declassified Videos 13:18 UAP's Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. ...

A clairvoyant man with no medical training whatsoever used to tap into his mind to diagnose and treat patients suffering from medical issues. See more in this scene from Season 19. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. ...

Are complex energy waves moving society along by creating visions in our heads?! See more in this scene from Season 1, Episode 9, "Aliens and the Superhuman Mind." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Check out these 4 mind-blowing theories about Stonehenge, in this compilation from Ancient Aliens. 00:00 - Extraterrestrial Communication at Stonehenge 03:08 - The Purpose of Stonehenge 07:02 - The Mysterious History of Stonehenge 11:00 - Was Stonehenge Built by GIANTS?! Watch your favorite ...