I use to believe that the signs on the side of the road that said "Watch for Fallen Rock" were talking about a Indian Chief that would kill you if he stopped your car.
A childhood belief about road signs

others believed things like this
- I used to look for an Indian along the roadside because of signs that stated
"watch for fallen rock"— pam petry - I used to beleive that road signs grew out of the ground.— Tiana
- I used to see "End Road Work" signs, and thought they were a sort of protest.— Sebastian
- I used to believe that the sky had stop lights and road signs floating about for the airplanes.
— LoonaSM's - I used to think that oil drops on wet road were rainbows drops that have fallen to earth Anon
- I thought a "fallen soldier" was one who'd tripped and fallen during a battle.Anon