the Medieval Quarter with many townhouses, portals and palaces (Piazza del Palazzaccio, Via della Viccinella); church of San Pietro, built in the 9th century Portal of St Sebastian’s hospital, which belonged to a 13th-century church of San Giovanni. It had probably been previously recovered from the church of Sancta Maria in Vicus Matrini church of San Francesco (13–16th century) with Michelangelo-style frescos and a tomb effigy by Pietro da Gualdo of Francesco and Nicola Anguillara, who died in 1406 and 1408 church of San Giovanni (Capranica’s cathedral) reconstructed in its current form in 1800–1840 but retaining its 16th-century dome and the original 13th-century bell tower church of San Rocco (15th century), now housing the Museum of the Confraternity church of Santa Maria (St Mary’s Church) designed by the architect Virginio Vespignani in 1867. It is home to several paintings: the Benedictory Saviour (12–13th century); a triptych depicting St Terentian, St Roch, St Sebastian (15–16th century); and the statue of Madonna delle Grazie (1808); Palazzo Accoramboni (17th century), now the seat of local administration; Anguillara Torrione Castle with its Clock Bridge and portal (Porta del Ponte dell’Orologio); church of Madonna del Piano (Madonna of the Plain Church) built in 1559–87, its splendid façade is attributed to Giacomo Barozzi da Vignola, the author of The Five Orders of Architecture, a most successful architectural textbooks ever written; Porta di Sant’Antonio (St Anthony’s Gate) erected in the 17th century by Cardinal Antonio Barberini Palazzo Montenero-Sansoni, erected in the second half of the 18th century by a French doctor of medicine, Charles Thierry, as sanatorium for treatment with mineral waters.