HISTORYCHANNEL

Examining whether shadow people, spirits, poltergeists and other strange beings that have appeared in ancient texts and folklore could be otherworldly visitors that originate from unseen realms and coexist within humans' reality.

Ancient Aliens Special Presentation

Aliens and the Unseen

Investigators discover compelling evidence of concealed pyramids in Alaska, China and Bosnia; the Great Pyramid of Giza in Egypt continues to unveil secrets with the discovery of a hidden chamber, raising new questions about its purpose and design.

Extraterrestrial Pyramids

Across the globe, monumental stone figures silently bear witness to a forgotten era; on Easter Island, there are hundreds of Moai figures carved from volcanic rock, each weighing up to 90 tons, with the tallest standing over 30 feet.

Alien Effigies

Prominent world leaders including the British Royal Family, Japan's Defense Minister, the Chinese government and Russia's former president have allegedly investigated Unidentified Aerial Phenomena (UAPs) for years.

Aliens and World Leaders

A look at details of heavenly flying chariots, abductions from Earth, and otherworldly visitors in books stricken from the Hebrew Bible; accounts of advanced technology, flying machines, and powerful weaponry in the sacred Vedic texts of India.

Aliens and Mysterious Texts

A look at the potential for extraterrestrial connections to Earth's mountain ranges, which are often considered mystical places; a look at Mount Kailash in the Himalayas, Mount Musine in Italy and Mount Shasta in Northern California.

Alien Outposts

The largely unexplored continent of Antarctica has long been subject to rumors of UFOs, underground tunnel networks and concealed ancient structures, giving rise to speculation about an alien presence beneath its icy surface.

Mysteries Beneath the Ice

Archaeologists have uncovered temple complexes dating far back into human prehistory; whether this is the presence of an advanced civilization lost to time or if these structures belong to an extraterrestrial epoch in Earth's history.

Aliens and the Buried Past

From rumors of covert extraterrestrial dealings with world leaders to the extraordinary claims of alien abductees and harrowing tales of pilot encounters with UFOs, a growing body of evidence suggests otherworldly beings have been making contact.

Extraterrestrial Close Encounters

Meteor impacts, cosmic microbes and space viruses are affecting life; recent discoveries suggest that some of the debris falling to Earth could have originated from other star systems, and may even be of artificial origin.

Interstellar Fallout

From claims of reverse-engineering a UFO craft at Area 51 to UAP video, discussing claims of government knowledge of alien activity on Earth.

Extraterrestrial Informants

Military and commercial pilots are stepping forward with photo and video evidence of unidentified aerial phenomena; these contemporary sightings share an eerie resemblance to unexplainable objects chronicled in historical records.

Unidentified Aerial Phenomena

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Examining the possibility that ancient myths about fantastical modes of transportation, along with giant stone megaliths and advanced devices were examples of alien technology.

S2 E2 | Extraterrestrial Informants