Ancient Aliens

Metallic objects dating back hundreds of thousands of years; Mysterious metal spheres defying the laws of physics? Could these artifacts be physical evidence of extraterrestrials visiting Earth?

In Wiltshire, England lies the mysterious structure known as Rudloe Manor. Researchers have argued for years that it has been the epicenter of British research into UFOs since World War II.

Many of the architectural marvels of the ancient world bear striking similarities to one another, even though they were separated by thousands of miles.

We examine The Pharaohs' Curse and the theory of how it was put in place to protect not only the truth about an otherworldly event in our past, but also an extraterrestrial device.

Could clues about our extraterrestrial origins be hidden in these discarded pieces of our past? Shocking evidence has recently been revealed that challenges the accepted dating of the Great Pyramid.

Ancient Astronaut theorists suggest Teotihuacan--which the Aztecs called the "City of the Gods"-- was once home to a highly advanced, perhaps extraterrestrial, civilization.

The planets each give off a distinct sound, and certain places on Earth have been found to produce a hum from an unknown source. Might the best evidence of alien intervention be found with our ears?

We probe the alleged top-secret group of scientists, government officials, and military elite called "The Majestic Twelve," whose mission was to facilitate recovery and investigation of alien spacecraft.

Throughout history, prophets and visionaries have claimed to be able to telepathically access knowledge and information that would ultimately steer the course of human history. But if true, where do these individuals get their visions?

India's Sanskrit texts are filled with amazing stories about advanced technology in the ancient world. Giorgio A. Tsoukalos travels to India to further explore the texts, structures and technology.

Extraterrestrials are almost always envisioned as humanoid, but could some closely resemble other animals? Ancient Astronaut theorists suggest that certain animals were planted here by alien visitors.

Ancient Astronaut Theorists suggest that not only does reincarnation exist, but our extraterrestrial ancestors specifically designed the human body to be a vessel for otherworldly entities.

Carved from a single rock, Ishi-no-Hoden is just one of numerous megalithic structures found throughout Japan commemorating a time when the gods--or, perhaps, extraterrestrial beings--descended to Earth.

Strange disks are discovered in a cave in China that appear to tell the story of an ancient extraterrestrial crash on Earth. The disks are confiscated by the Chinese government and dismissed as a hoax.

The ancient site of Gobekli Tepe challenges everything modern archaeologists believe about mankind's past. According to Ancient Astronaut Theorists, it serves as the smoking gun for a lost civilization.