Basketball

The ultimate photo bomb.
Image by Wally Skalij/Getty Images
Space Shuttle Endeavour in the background.

via Gizmodo: "According to the photographer Wally Skalij, the kids are Traymond Harris, left, and Ryan Hudge, right. They were playing as Endeavour played its own game: going the obstacle race course that took her through Los Angeles' streets, en route to the California Science Center."