The Basilica of San Sisto Vecchio is one of the over sixty minor basilicas among the churches of Rome, and a titular church since 600 AD. As such, it is connected to the title of a Cardinal priest, currently Antoine Kambanda.
Facade
Woodcut of San Sisto Vecchio in the 16th century, from Le cose maravigliose dell'alma città di Roma (Venice: Girolamo Francino, 1588)
There are more than 900 churches in Rome, which makes it the city with the largest number of churches in the world. Almost all of these are Catholic.
Santa Maria in Montesanto and Santa Maria dei Miracoli, two of the many churches of Rome, Italy.
Pantheon
Santa Cecilia in Travestere
Santa Costanza