When I was about 10, me and my friend (also 10) started digging up my front yard (of an apartment complex). We thought that we could build an underground water slide.
A childhood belief about around the house

others believed things like this
- I thought the underground railroad was actually a subway.— Greg
- When I was little I thought the london underground was a terrorist organisationAnon
- Until I was in High School, I really thought that the "underground railroad" was under the ground.— S
- I used to believe that if you drove over a banana peel the car would slide off the road.Anon
- When trains (subways) go underground, my little sister thought that the lights were shooting stars.— Katie
- When i was little my older brother said rocks grew in your poop, so i went digging and never found anyAnon