Ancient astronaut Theorist Giorgio A. Tsoukalos looks at recent discoveries related to the story of the lost city of Atlantis.

Nazi scientists develop advanced weapons, including the Die Glocke, believed to have been a time-travel device.

The sightings of creatures similar to the Loch Ness monster have been documented all over the world for hundreds of years.

An unusually smooth and magnetic rock with a cryptic design is located in Roswell, New Mexico, in 2004.

Giorgio joins anthropologist Dr Jeff Meldrum for an overnight expedition on Washington's Olympic Peninsula in an attempt to capture evidence of Big Foot.

Megalithic structures on the Mediterranean island of Malta offer possible clues to an extraterrestrial connection, while an investigation delves into stories of the legendary creatures of the island's local folklore.