The highly classified United States Air Force facility in Nevada known for its secrecy and rumored extraterrestrial connections.
The alleged crash of an unidentified flying object (UFO) near Roswell, New Mexico in 1947, and the subsequent government cover-up.
A region in the western part of the North Atlantic Ocean known for mysterious disappearances of ships and airplanes.
A medieval book written in an unknown script and language, which has baffled researchers for centuries.
The long-standing mystery surrounding a small island in Nova Scotia, Canada, believed to hold hidden treasures and booby-trapped tunnels.
Enormous geoglyphs etched into the desert floor in southern Peru, whose purpose and creators remain a mystery.
A mythical, advanced civilization said to have existed thousands of years ago and disappeared without a trace.
The unidentified serial killer responsible for a series of gruesome murders in 1888 in London, England.
A linen cloth bearing the image of a man believed by some to be the burial shroud of Jesus Christ, with its authenticity still debated.
Also known as the "Devil's Bible," it is an enormous medieval manuscript containing a mix of religious texts and a large, mysterious image of the devil.