Adolf Hitler commissioned the top secret super weapon – or Wunderwaffe – at a top secret facility known as Der Riese in the Owl Mountains, which is now in modern day Poland.
The device was capable of time travel and had anti-gravity capabilities – and several Nazi scientists died during the testing of the device.
And as the allies stormed across Europe and smashed the Nazi war machine, Die Glocke – or The Bell – was quietly shipped away to South America.
At least that is the story peddled by conspiracy theorists, who cite a confession by Nazi SS Officer Jakob Sporrenberg.
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