I used to believe a sign "MOD Hostel" near a building where I lived was a place for bad "mods" opposed to "rockers". It wasn't until I was a bit older the penny dropped and I realised it was a place for people to sleep in the Ministry of Defence.
A childhood belief about in the street

others believed things like this
- I used to believe that flea markets were a place people sold fleas, or the place was infested with fleas— Kelley
- I heard the song about Heaven being a place where nothing ever happened and thought, "What a boring place."Anon
- I used to believe that Timbuctou wasn't a real place.— Leah
- I always believed that we lived in Manchester (we didn't) but it was always the main place on the local news!— Richard M
- I used to believe that a bank was a place where they give out money to peopleAnon
- I use to believe that a stripmall was a place where people could shop nakedAnon