2 seasons available
Individuals whose identities remain a mystery including D.B. Cooper, Jack the Ripper and the Man in the Iron Mask.
Locations around the world with special religious significance from a Catalonian monastery to South Dakota's Black Hills.
A deep dive into people who vanished and were never found from a British secret agent to an intrepid explorer from a famous family.
Unsolved urban mysteries include a walrus skeleton found in a mass London grave, Moscow's secret Metro line and Prague's occult origins.
Classified military projects from false flag operations to America's recruitment of Nazi scientists after World War II.
Inventions that failed or were suppressed by the powers that be include Nikola Tesla's Wardenclyffe Tower and Stanley Meyer's water-powered fuel cell.
Human sacrifice fueled by religious and cultural beliefs that include ritualistic burnings and bloodlettings.
A closer look at the awe-inspiring structures that capture imaginations, including the Olmec Heads of Central America, the Alhambra in Spain and Angkor Wat in Cambodia.
Explore the myths and legends of ancient civilizations, from Lemuria and Atlantis to the mystery of the Etruscans and the Forgotten Kingdoms of Tibet.
The mysteries of modern science that confound the experts, including time travel, the dark web and the secrets of morphic fields.