Doge's Palace

When most people think of "carpaccio," they think of the thinly sliced raw beef appetizer made famous by Venice's iconic Harry's Bar. Few people know that the dish is named for a lesser-known Venetian, the Renaissance painter Vittore Carpaccio, because of the intense red hues he favored.

The Colosseum in Rome opens to tourists at the end of May. One of the largest landmarks in the world will be accessible to visitors under strict security measures that are currently being prepared.