I thought that we were all INSIDE the Earth and not ON it. The reason: in maps of the solar system, Earth was always blue, and since the sky is blue and it is a big dome (from our view on Earth), this theory made perfect sense to me.
A childhood belief about landscape

others believed things like this
- I sed to think that thw only reason we stuck to the earth was because is spins around!— imgareth
- I used to believe that we lived inside the earth!— Natalie Howley
- I used to believe that human lived inside the planet earth and not on its surface.— Giancarlo
- I thought rain was made when God was crying, and wind when God blew on the earth because it was too hot.— Andy T
- I believed dinosaurs made the mountains whenever they walked the earth.— Tammy
- That the earth was inside a gigantic envelope, and the stars were pinholes in the envelope.— Kara