Across ancient civilizations, the world's mountains were viewed as the sacred home to all-powerful gods. See more in Season 6, Episode 11, "Aliens and Mysterious Mountains." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The ...

In this video, we're going to share with you some of the most incredible UFO sightings ever captured on camera. From strange lights in the sky to unidentified flying objects, this video is filled with proof of aliens! If you're curious about UFOs and want to see proof of aliens, then this ...

These ancient structures hold not only history but deep secrets that will soon be revealed. See more in this Ancient Aliens compilation. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at ...

One of the most compelling arguments for the Ancient Astronaut theory is the remarkable engineering evident in the construction of ancient megalithic sites worldwide. See more in this scene from Season 1, Episode 1, "Extraordinary Engineering." Watch all new episodes of Ancient Aliens, Fridays ...

INSANE UFO SIGHTINGS Get ready for some mind-blowing INSANE UFO SIGHTINGS that will leave you speechless! From the skies of New Jersey to the world stage, we've got the most astounding UFO videos and sightings that will make you question what's really out there. With NJ drones capturing ...

Did aliens help us out in the war?! See more in this scene from Season 1, Episode 2, "Ancient Close Encounters." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. ...

More than 10,000 crop circles have been reported worldwide, on nearly every continent on earth. See more in Season 1, Episode 17, "Circles, Rituals and Shamans." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel ...

Were these lethal weapons the product of human innovation--or were they created with help from another, otherworldly source? See more in this compilation from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The ...

Experts examine a piece of cloth that is believed to be the actual burial clothes of Jesus Christ. See more in this compilation. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at ...

Who really created the Easter Island monoliths? See more in this compilation from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Legends of lost and mysterious islands, advanced civilizations and Eden-like paradises have been told by sailors throughout human history. Is it possible these stories are more than just the myths of imaginative seafarers? See more in Season 6, Episode 9, "Aliens and Forbidden Islands." Watch ...

UFO New Jersey Clearest Footage Yet! Witness the most astonishing UFO sighting in New Jersey history! This unprecedented footage showcases a crystal-clear UFO hovering in the skies of the Garden State, leaving experts and enthusiasts alike in awe. The footage is so vivid, it's as if you're ...