Palazzo Barberini Hidden in the cellars of the rear part of the building, a Mithraeum was found during the construction work of Villa Savorgnan di Brazzà in 1936, dating probably from the second century AD. Palazzo Barberini The Palazzo Barberini () is a 17th-century palace in Rome, facing the Piazza Barberini in Rione Trevi. It houses the Galleria Nazionale d'Arte Antica. The sloping site had formerly been occupied by a garden-vineyard of the Sforza family, in which a "palazzetto" had been built in 1549. The sloping site passed from one cardinal to another during the sixteenth century, with no project fully getting
Piazza Colonna of the Italian government. The east side is taken up by the 19th century public shopping arcade Galleria Colonna (since 2003 Galleria Alberto Sordi), the south side is taken up by the flank of Palazzo Ferrajoli, formerly the Papal post office, and the little Church of Santi Bartolomeo ed Alessandro dei Bergamaschi (1731-35). The west side is taken up by Palazzo Wedekind (1838) with a colonnade of Roman columns taken from Veii. The piazza has been a monumental open space since Antiquity; the temple of Marcus Aurelius stood on the site of Palazzo Wedekind (TCI). The fountain in the piazza