glass with the Redeemer in Glory and Histories of St. Cerbonius. The interior is home to a Romanesque font (1267 with a cover of 1447), a Gothic reliquary (1324) of Saint Cerbonius, a Maestà attributed to Duccio di Buoninsegna (1316) and 14th-century fresco under which is a Roman sarcophagus from the 4th century AD. The battlemented Palazzo Pretorio. It houses the Archaeological Museum, containing a work by Ambrogio Lorenzetti. The Cassero Senese (Sienese Fortress), built in the 13th–14th centuries. Monteregio Castle, built by the Aldobrandeschi in the 9th century, later used as the bishops' residence. Church of St. Francis, founded, according to the tradition, by the saint himself in Gothic style. It houses an Assumption by Raffaello Vanni. Fonti dell'Abbondanza, of the 13th century, the end point of a water supply project. This palazzo features a unique fresco of a phallus tree, dubbed The Fertility Tree after its discovery in 2000. Church of St. Augustine (14th century), with a Renaissance cloister. Palazzo del Podestà. Palazzo delle Armi, in Renaissance style. Church of San Rocco (15th century). Native house of San Bernardino da Siena. In the frazione of Prata are a medieval castle with two towers and the Pieve of Santa Maria Assunta. The walled borough of Tatti includes the medieval church of San Sebastiano and another Cassero. Notable people Constantius Gallus possibly the birthplace of the late 4th century Roman emperor. St. Bernardino da Siena was born here in 1380. References External links Massa Marittima - Maremma Tuscany : Travel Guide and Vacation Accommodations Massa Marittima in Winter Walking in Massa Marittima Massa Marittima art pictures From Fertility Symbol to Political Propaganda – Decoding the Massa Marittima Mural. Castles in Italy