Since World War Two there have been rumours that a train full of loot and guns disappeared into a complex of tunnels - part of a secret military project which the Nazis never finished. At the time the Soviet Red Army was advancing into the heart of Nazi Germany. Join our adventurer on the first leg of his journey in the search of the Nazi loot and listen to him find historical treasures of a very different sort. Twitter Instagram Facebook Dan Snow Producer: Dan Morelle