Mysteries at the Castle: Crown Jewels Heist; Marquis De Sade; Enigma of Kaspar Hauser

From the seemingly impenetrable Tower of London comes the tale of a brazen plot to steal the British monarchy's invaluable Crown Jewels. A magnificent royal palace in Karlsruhe, Germany is said to be the birthplace of one of history's most infamous feral children. And a remote French stronghold once served as a prison for a notorious literary genius. Accused of indecent behavior, it was during his long incarceration that he penned some of literature's greatest and most scandalous works.