Forbidden HistorySeries 2Season 2 · 2014 · 6 episodesEpisodes1The Lost Secrets of PetraPetra was the capital of the Nabataean kingdom - do riches lie undetected in its hidden tombs? Find out as Jamie Theakston decodes this historical riddle.2The Holy GrailCan Jamie Theakston solve history's most enduring mystery? Visiting Glastonbury, Wales, Valencia and NYC, he inspects four goblets that could be the Holy Grail itself.3The IlluminatiJamie Theakston sheds light on the ultra-secretive Rosicrucian Order, whose members included Leonardo Da Vinci and Isaac Newton. Are they the real-life 'illuminati'?4The OraclesJamie Theakston journeys to Greece and Italy to hear the truth about oracles. These mysterious figures - such as the one at Delphi - reputedly spoke the word of the gods.5Top Secret Nazi UFOsJamie Theakston investigates the curious claim that the Nazis started to build flying saucers during WWII. Hear the startling truth behind a historical legend.6The Genius of Nikola TeslaJamie Theakston brings to light the life and work of enigmatic inventor Nikola Tesla. Conspiracy theorists believe that the Serb was hushed up - but why?Season 1Season 3Season 4Season 5Season 6Season 7