When Spanish Conquistadors obliterated the historical record of the Maya in the 16th century, did they wipe out evidence that ancient people traveled to the Americas from all over the world--and in flying craft provided by extraterrestrial visitors?

Lurking in our oceans are creatures that defy explanation. Octopuses that can edit their own DNA. Animals that can regenerate their entire brain. Jellyfish that can literally live forever. Were they delivered to Earth by extraterrestrial beings? Might our oceans be acting as a giant petri dish for alien genetic experimentation?

In 2019, millions responded to an internet post advocating to storm the gates of the world's most top-secret military installation--Area 51.

A mysterious mountain in northern Italy has stood witness to strange sightings in the sky and unexplainable phenomena for hundreds of years.

In 2016, scientists made the astonishing discovery that 30 percent of all protein adaptations since humans' divergence with chimpanzees have been driven by viruses. Could ancient aliens have shaped human evolution by introducing viral epidemics on Earth?

All over the world there are megalithic stone structures whose construction baffle stonecutters, scientists and archeologists. Is it possible that ancient humans managed to move and cut these gigantic rocks with the help of alien technology? From the 3,000 megalithic stones in the French village of Carnac to the precision-cut blocks at Puma Punku in Peru to the 12,000 year-old circular structures of Gobekli Tepe, carved multi-ton megaliths are found...

Throughout the world, ancient rites and rituals are believed to connect humans to another dimension. But just who--or what--are we communicating with? Could man's attempts to emulate ancient alien visitors?

Satellite images have revealed a giant face that appears to be carved into the Earth in Alberta, Canada, which has now become known far and wide as "The Badlands Guardian." Could it be part of a cosmic communication system?

Reports of encounters with strange beings and sightings of mysterious objects in the sky have occurred throughout history. A 13th century historical book, Otia Imperialia, includes an account of a creature descending from a flying craft.

Throughout history, there are stories of strange beings unlike anything known to exist on Earth. Could they be more than just mythology?