Many years ago I dropped my camera (nothing special, just a cheap Pentax digital camera), and it landed on the screen with the lens pointed up at the sky. For some reason the physical shock to the camera caused it to take a picture.
This was the result:
I've always kept this photo because it is one of those accidental shots that turned out better than I could have done if I was trying.
haha that's so awesome! Love happy accidents :)