Legend of the Crystal Skulls explores the truth behind the real life icon inspiring the latest Indiana Jones movie, Kingdom of the Crystal Skulls. Whilst the movie features a crystal skull created by extra terrestrials, not everything is fiction.Real crystal skulls do exist. Museums in London, Washington and Paris each have one. But the most famous skull of them all, ‘The Skull of Doom’, is the subject of an incredible treasure tale. This documentary traces the buccaneering explorer called Frederick Mitchell-Hedges, and his adopted daughter, Anna, and reveals their story of discovering the Skull of Doom in a Mayan temple in the 1920s.