The Church of Santa Maria in Trastevere was founded in the III century a Holy and Callixte completed under Pope Yulia I. over the centuries, despite numerous renovations, she basically kept unchanged its original appearance. And only in the eighteenth century, Pope Clement VII commissioned the architect Carlo Fontana to build the portico. The facade of the Church is crowned by a tympanum and embellished with richly decorated portals. Next to the Basilica stands a beautiful Romanesque bell tower with an ancient bell under her roof.

The Basilica remains a place of worship to the virgin Mary. Image of the virgin Mary predominate in the interior of the Church, including the magnificent mosaics of the twelfth and thirteenth centuries. The most ancient image of the virgin Mary is the icon of the VII century "Madonna di Clemenza" in the chapel of Altemps.