St. Peter's Basilica is the largest Christian church in the world.

The Palace of the Holy Office, an Italian Renaissance building, is located in Rome.

The Palazzo dei Convertendi is a palatial structure in the Borgo district of Rome.

The historic centre of Rome is characterized by many beautiful baroque fountains and public squares.

The Palazzo della Cancelleria is a palatial Renaissance building in Rome, Italy.

Palazzo San Callisto is a significant architectural masterpiece located in the ancient Trastevere quarter of Rome.

The Palazzo Maffei Marescotti is a refined example of Renaissance architecture.

Palazzo di Propaganda Fide is a significant architectural work with a facade by Gian Lorenzo Bernini.