Investigating mysteries that elude scientific explanation.

Inventions that failed or were suppressed by the powers that be included Nikola Tesla's Wardenclyffe Tower and Stanley Meyer's water-powered fuel cell.

Cryptic artwork including a crucifixion statue with real teeth, Girl with a Pearl Earring and Leonardo da Vinci's Last Supper.

World War II left behind a number of unexplained events, such as the identity of Anne Frank's betrayer and the ultimate fate of Raoul Wallenberg.

Time-honored but not always scientifically accepted, non-traditional healing methods including herbal remedies and regression therapy.