Barry Manilow did not write his hit "I Write the Songs."
Just underneath the surface of many paintings, both famous and obscure, is another hidden painting that could have been.
Despite the song's monster success, the 16-year-old girl who wrote it never published music again.
A slew of guest stars have lent their voices to The Simpsons. Although many guests simply play themselves, the most memorable one-off characters often have a guest voice behind them. How well do you know who voiced these gems?
Brought to you by the Smithsonian Channel's Speed Kills
Some stories you can tell your friends in line at the theme park this summer.