I used to think that their was a HUGE tarantula hiding in the furthest room in our basement, and so when I would turn around to go back upstairs, I always ran top-speed, looking behind me frantically to see if it was there.
A childhood belief about basements

others believed things like this
- I saw a spider on the floor and thought it was a baby tarantula. We don't even get tarantulas where I live.Anon
- I used to turn the TV off when I left the room so I didn't miss anything.— S.Lee
- I used to believe that if you were naughty at school then you'd have to go upstairs and sit on your bed!— Eve
- I thought that if you were speeding and hit a speed bump, it would cause your car to fly into the air.— SeñorChaCha
- Whenever I was upstairs on a bus, I didn't believe that it would fit under the bridge so I used to duck. — Dave, Lancashire
- When my wife was a kid, she used to think that highway speed bumps were for the blind.Anon