UFO experts investigate whether the value, reverence and desire for gold is the result of extraterrestrial landings in the ancient past.

UFOs have been caught on camera across America, yet the government continues to deny the existence of extraterrestrial life. Recent news of the Pentagon's secret UFO program may reveal shocking evidence of what the military has known for decades.

The Royal Air Force has been encountering and even engaging UFOs on a regular basis since World War II, but the British government has continuously denied the sightings. Experts investigate why these UFO facts have been concealed.

Native American myths steeped in the otherworldly go back thousands of years, but astonishing, new evidence and modern-day UFO sightings have experts rethinking these extraordinary legends and depictions.

How did the Nazis produce technology that was far more advanced than anywhere else in a matter of years? Were they being helped by an extra-terrestrial source?

Using archival audio recordings, official transcripts and incident reports, UFO researchers investigate what really happened during incredible - and sometimes life-threatening - encounters between law enforcement and UFOs.

The world's holy sites claim visitation by gods, but shocking new evidence suggests these locations have been deemed sacred because of contact with interstellar travelers in the distant past.

As long as there have been UFO sightings, there have been claims of alien abduction. This phenomena and the alleged alien implants sometimes left behind are examined in the light of never-before-seen evidence and eyewitness testimony.

Investigators reveal the secret history between US Presidents and the UFO phenomenon, from FDR's knowledge about a UFO battle over Los Angeles to JFK's alleged plan to share extraterrestrial secrets with the Russians.

An exploration into whether breakthroughs such as high-energy lasers, antigravity technology and super-advanced aircraft are the result of human efforts alone or contact with UFOs.