I used to believe that, in Germany, there was a major city called Ausfahrt, because of all the signs on the autobahn with that word on it. Ausfahrt is German for "exit".
A childhood belief about road signs

others believed things like this
- I used to think it was illegal to speak German in Germany because of World War Two.— Anonymous
- My friend was in Germany, and she thougth that "ausfart" was a city.— Tone
- I used to believe that electricity was manufactured in a factory in a place called 'Electriz City'.— Sally
- Having seen enough red octagonal STOP signs in my time, I used to look out for green circular GO signs.— Gary
- I used to believe that "critical acclaim" meant that they liked it, BUT had some major problems with it, too.— Beth
- That germs came from Germany.— Alicia