Basilica of St. Benedict, built on Roman remains, it has a gothic portico "delle misure" and façade (14th c.).
City Hall, the tower portico dates back to the 14th c., while the upper front was renewed in the 19th c.
Castellina, residence of the prefect of the mountain, built following design by Vignola (16th c.): it will house the new museum of works of art from the 13th c.
Cathedral of S. Maria Argentea (16th c.). It has an altar by F. Dusquesnoy (1640).
Church of St. Francis (14th c.). All screened.
Church of St. Augustine (14th c.). It has frescoes (15-16th).
Oratory of St. Agostinuccio, with valuable wooden ceiling.
Tempietto. It is a votive shrine (1354).
Church of St. John, with an altar by Giovanni Dalmata (1469).

in the environs ...

All the territory deserves the visitor's attention. Some itineraries:
Church of S. Maria Bianca of Ancarano (15-16th c.); it has a sculpture by Francesco di Simone Ferrucci (1488) and frescoes (15th c.).
Church of St. Salvatore di Campi, with frescoes (15-16th c.).
Abbey of S. Eutizio, famous Benedictine monastery.
Church of S. Scolastica, 3 km. away, it has frescoes (15th c.).