We had two sports arenas in our town-- one that was indoors, one outdoors. My mom convinced me that they were one building, which they opened up with a can opener when the weather was warm.
A childhood belief about excursions

others believed things like this
- I thought weather forecasters were psychic and that's how they knew what the weather would be.Anon
- My dad could change a traffic light from red to green using our garage door opener.Anon
- I used to think the Empire State Building was called the "Ten-past-eight building".— Alex
- I used to believe that I could control the weather... I had limited success— Mark
- I used to believe that you could keep a chicken egg (that you bought) warm, and it would hatch!Anon
- I used to be very fascinated by the weather and sometimes wished I could have a tornado for a best friend.— Will