For the first time in his life Rahn met someone even more obsessed with finding the Grail than he was. Indeed, so confident was Himmler of finding the Grail that he’d already prepared a castle – Wewelsburg in Westphalia – for its arrival. In the basement, surrounded by busts of prominent Nazis, was an empty plinth where the Grail would go.
The original Indiana Jones: Otto Rahn and the temple of doom. Truth is stranger than fiction.