History's Greatest Mysteries

At the end of World War II, many Nazi officials are captured and tried for their crimes; but one of the architects of the Holocaust, Adolf Eichmann, slips through the cracks, repeatedly eluding Nazi hunters from around the globe.

It's one of humanity's oldest nightmares-at the full moon, werewolves that once were men hunt human prey and then feast on their flesh. Stories of this terrifying transformation persist to this day; do real facts lie behind the enduring stories of werewolves?

The world's most famous painting vanishes in a daring heist, sparking international outrage and a global manhunt; a master detective is called in, who zeroes in on a handful of suspects with the motive and means to pull off the theft; who stole the legendary Mona Lisa?

It's one of the most legendary monsters said to be lurking in the vast open seas. With stories going back hundreds of years, this elusive creature has terrorized sailors and baffled scientists. Is this predator the stuff of legend… or could the Kraken be real?

The notorious mafia kingpin Sam Giancana is shot execution style in his own home. The larger-than-life mobster had many enemies, from inside the mafia to the CIA. Was his death a crime of passion? The result of unpaid debts? Or part of an alleged government cover-up for a presidential assassination? Why was Sam Giancana killed, and who ordered the hit?