getting there: a short walk from the Termini train station
open: 7:00-19:00 daily
information: toilets are available on the outside of the church
Dedicated to the Blessed Virgin Mary, it is one of the four papal basilicas in Rome along with San Giovanni in Laterano, Saint Peter's, and San Paolo Fuori le Mura.
The church was again renovated in the 18th century, most of the interior decorations and the remodeling of the facade date from this time.
The church holds 5th century mosaics of the Old Testament and also the 13th century mosaics by friar Giuliano Torriti in the apse.