A Tourist in Rome - Talking Statues
The talking statues of Rome are six statues throughout the central city who expressed political views contrary to those of the leaders of the day, from the 16th century to the present. The statues don't actually talk, of course, but instead, when someone wanted to express a dissident opinion, they'd hang a sign on one of the talking statues stating their pasquinate, an irreverent satirical inscription poking fun at a public figure. Once discovered, the establishment would of course remove the sign as soon as possible.
The six talking statues are: