A camera catches a strange humid figure peaking into a bedroom, in this The Proof Is Out There clip. Watch all new episodes of The Proof Is Out There, returning soon, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. #TheProofIsOutThere ...

Ancient Astronaut Theorists believe that the long lost Ark of the Covenant contained extraterrestrial powers much too powerful for mankind, in this clip from Season 18, "Recovering the Ark of the Covenant." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and next day on The HISTORY ...

Cameras catch a strange Unidentified Ariel Vehicle (UAV) flying above the California skies, in this Ancient Aliens clip. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more ...

Ancient Astronaut Theorists believe that Prince William might’ve investigated and researched a classified UFO phenomenon, in this clip from Season 18, "The World on Alert." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and next day on The HISTORY Channel website at ...

The threat of a possible alien invasion grows, in this clip from Season 1, "Doomsday: 10 Ways the World Will End." #CountdowntoArmageddon Subscribe for more HISTORY: http://histv.co/SubscribeHistoryYT Check out exclusive HISTORY content: History Newsletter - https://histv.co/newsletter ...

Check out these extra strange alien encounters that will leave you shocked. See more in this The Proof Is Out There compilation. Watch all new episodes of The Proof Is Out There, returning soon, and stay up to date on all of your favorite The HISTORY Channel shows at ...

Ancient astronaut theorists travel to Honduras to check out stone statues that have an otherworldly connection, in this clip from Season 18, "Ancient Aliens On Location: Mysterious Artifacts." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: ...

Check out these 4 mysterious light phenomena, in this The Proof Is Out There compilation. 0:00 - UFO Flash of Light Startles Woman & her Dogs 4:48 - Russian Mystery Animal in Lake Baikal 8:39 - Bright Lights Illuminate New York City 12:57 - Purple Beam of Light Startles Alaskan Photographer ...

Check out these 4 unexplainable phenomena, in this The Proof Is Out There compilation. 0:00 - Freaky Faces in Family Home 4:06 - Weird Bird Formation Caught on Camera 8:32 - Miracle Escape: Woman Survives Near Death Drowning Experience 12:36 - Human Incredibly Creates Electrical Current ...

A massive pyramid located in Teotihucan, Mexico could commemorate the arrival of extraterrestrials, in this clip from Season 18, "Decoding the Dragon Gods." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT ...

Things get weird when paranormal radio host, Art Bell, receives strange metallic fragments in the mail in this clip from Season 18, "Ancient Aliens On Location: The UFO Investigations." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: ...

The sacred temple complex of Angkor Wat is believed to have been constructed to replicate a star constellation, in this clip from Season 18, "Decoding the Dragon Gods." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: ...