It was rebuilt in the 16th century by Troilo Savelli, who commissioned his friend Baldassarre Peruzzi the frescoes which are still visible inside, including portraits of Roman famous men, allegories of the Liberal Arts and grotesque decorations. It is now home to a library, an exhibition of Roman statues found nearby Palombara in 2008, and a natural sciences museum. Abbey of Saint John in Argentella Church of Santa Maria Annunziata (14th century) Church of St. Blaise (1101), in Romanesque style.