Blarney Castle

Blarney Castle is a castle in Ireland. It houses the, which, according to legend, gives the gift of gab to anyone who kisses it.

History
Lisa and Marge visited the Blarney Stone at the castle. Bart, seeing a prank opportunity, colored his behind grey and took the place of the stone, so that anyone who was seeking the gift of gab actually ended up (literally) kissing Bart's butt. Unfortunately for Bart, an Irish version of Nelson Muntz came along and carved his initials in the "stone."