These shocking UFOs have been spotted over some of the biggest cities in the U.S. See more in this compilation from The Proof is Out There. If you are interested in submitting videos or other content to be featured on Season 2 of The Proof Is Out There, head to ...

A pilot spots a strange cubed shaped UFO, in this clip from Season 2, "UFO WINDOW SEAT AND LOST UNDERWATER CITY." If you are interested in submitting videos or other content to be featured on Season 2 of The Proof Is Out There, head to ...

A family notices a strange object in the sky that appears to be on fire, in this clip from Season 2, "UFO ON FIRE AND DINOSAUR ON THE BEACH." An eyewitness catches a giant flame in the Florida sky that seems to come out of nowhere, in this clip from Season 2, "UFOs X VOLCANOES / MYSTERIOUS ...

An explosive volcanic eruption in Iceland sheds light on two hovering orbs, in this clip from Season 2, “UFO Eruption and Alien Spheres.” 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 ...

A pilot spots something strange fly over him while in New Mexico, in this clip from Season 2, "Snakelike Sea Monster / North Korean Supersoldier." 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 ...

A teacher in Italy records a strange donut shaped object in the sky, in this clip from Season 2, “Yeti Sighting / Italian UFO.” 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 history.com/schedule. ...

On November 11th, 2014, the Chilean Navy caught two large overlapping orbs on camera. The footage is now turned over to experts to authenticate, in this clip from Season 2, "UFOs Caught on Camera." Watch all new episodes of The Proof Is Out There, returning September 17 at 10/9c, and stay up ...

A property manger in Kansas witnesses something very strange in the sky, in this clip from Season 2, "Wichita UFO & Booming Sea Sound." 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 ...

A glowing orb sparks scientists to question our own evolution, in this clip from Season 2, “Alaskan Sea Monster & Mystery Jungle Jet.” 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 ...

Ancient Astronaut Theorists believe that the Rudston Monolith possesses unusual powers that spark strange phenomenons, in this clip from Season 17, "Mystery Of the Standing Stones." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: ...

Ancient Astronaut Theorists believe that the obelisk of Egypt was constructed to provide a profound connection to the gods, in this clip from Season 17, "Mystery Of the Standing Stones." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite The ...

Go to https://expressvpn.com/UniverseInsideYou and find out how you can get 3 months of ExpressVPN free! If you're fascinated by the wonders and mysteries of archaeology, you've no doubt come across stories of strange skulls that have been unearthed around the world. Many of these skulls look ...