5. The Autobahn was Hitler’s pet project
While the idea behind the Autobahn emerged in the 1920s, proper construction didn’t get into full swing until Hitler came to power in 1933. He wholeheartedly embraced the project and, by 1936, had 130,000 people building one of the world's first high-speed roads. The inaugural section opened in 1935 from Frankfurt am Main to Darmstadt.
6. They were originally named “Reichsautobahn” (Autobahn of the Reich)
Because, you know, Hitler.