In 1960, a U-2 spy plane captured images of a massive and mysterious antenna in Soviet Russia...
The best planes for the job were bombers—aircraft that German artillery units fired upon at every opportunity.
He theorized that the Earth was hollow and "stocked with thrifty vegetables and animals if not men."
Hollywood spy films have nothing on these real-life assassination plots.
The Germans believed their castle prison was inescapable—they were wrong.