Jamie Theakston uncovers the startling truth behind great myths, historical legends, conspiracy theories, ancient treasures, lost civilisations and war time secrets. 　　Episodes include… 　　S2 E1 - The Lost Secrets of Petra 　　S2 E2 - The Holy Grail 　　S2 E3 - The Illuminati 　　S2 E4 - The Oracles 　　S2 E5 - Top Secret Nazi …