Travelers are voting Trevi Fountain, Palazzo della Farnesina and Quirinal Palace as the best of 43 key buildings in Rome. There are 39 key buildings in Anzio a city just 32 km from Rome and 39 key buildings in Latina which is 36 km distant. The most popular of these are Trevi Fountain in Anzio and Palazzo della Farnesina in Latina. You can find 43 key buildings in Lazio and 88 key buildings in the country of Italy. Our members favorite in Lazio is Trevi Fountain and San Siro is the top pick in Italy. Want more? Check out our map of key buildings in Rome.