The Trevi Fountain is a fountain in the Trevi district in Rome, Italy, designed by Italian architect Nicola Salvi and completed by Giuseppe Pannini and several others. It is the largest Baroque fountain in the city and one of the most famous fountains in the world.

Piazza Navona is a square in Rome, Italy. It is built on the site of the Stadium of Domitian, built in the 1st century AD, and follows the form of the open space of the stadium. The ancient Romans went there to watch the agones, and hence it was known as "Circus Agonalis". It is believed that over time the name changed to in avone to navone and eventually to navona.

La place Saint-Pierre est une grande place située juste en face de la basilique Saint-Pierre au Vatican, enclave papale à Rome, à l'ouest du quartier de Borgo. La place et la basilique portent le nom de saint Pierre, apôtre de Jésus, considéré par certains comme le premier pape.

It is the Mausoleum of Hadrian, usually known as Castel Sant'Angelo,​ because it was initially commissioned by the Roman Emperor Hadrian as a mausoleum for himself and his family. The building was later used by the popes as a fortress and castle and is now a museum. It is a towering cylindrical building in Parco Adriano, and this structure was once the tallest building in Rome.