Could it really be that these otherworldly visitors coexist among us, crossing over from unseen dimensions into our world? Find out in this video from Season 2, Episode 12, "ALIENS AND THE UNSEEN." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your ...

In Aurora, Texas, the local cemetery claims to hold the body of an alien whose ship crashed there in 1897. See more in this scene from Season 3, Episode 1, "Aliens and the Old West." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on ...

Over 10,000 crop circles have been reported worldwide, appearing in 50 different countries, and nearly every continent on Earth. See more in Season 10, Episode 8, "Circles from the Sky." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite ...

Due to warfare, instability, and inaccessibility--there are specific regions of the world that are off-limits to exploration. See more in Season 10, Episode 10, "The Forbidden Zones." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows ...