I always believed that the ladder on top of large RVs etc,led to a mini pool because the ladders look alot alike. To this day I still look twice.
A childhood belief about swimming pools

others believed things like this
- I believed that the ladder on the back of a trailer/rv led up to a swimming pool.— marilese
- I believed travel trailers had a pool on top because the curved ladder was the same.Anon
- I believed that the Kreepy Crawlie used to clean our pool, would follow me around the pool and eat me. — Mother-of-2
- I used to believe that India and Indonesia were right next to each other since their names sounded alikeAnon
- Up until I was in 3rd grade I believed my bathing cap is what kept me afloat in the swimming pool! Anon
- I used to think that the expression "The former or the latter?" was actually "The farmer or the ladder?" — Fitzwilliam