I thought that all US state borders were rivers because my hometown was near a river that served as the border between my state and another. I never considered that perfectly straight rivers don't exist in nature.
A childhood belief about places

others believed things like this
- That the rivers stopped flowing at night!— Louise
- I used to think that because there was a state called Washington, there was also a state called Dryington.— Jasonchic
- I thought Albania was the state of AlabamaAnon
- when I was young, I thought Denmark was a state, just like Deleware and North Dakota.— valerie
- I thought if someone is in a vegatative state they literally turn into a giant vegetable!— Samilton Duerheiser
- I used to believe that America was a state near the one I live in.Anon