Scientific analysis of the area reveals that the urban core more likely originated from an “alley” called the Arisa, which was established around the church of Santa Vittoria (IX-X century)

TORRE DEL BARBAROSSA Built in the twelfth century, it is located in piazza dell’Orologio. It is what remains of the castle of Frederick I Barbarossa, which is destroyed after the rebellion of 1166. The clock was added in 1588 and the whole structure restored in 1800.

THE BASILICA OF SANTO SEPOLCRO Located in piazza del Duomo and constructed  in 1149, the Basilica of Santo Sepolcro has been known since 1649 as the Acquapendente Cathedral. The Basilica has a Latin cross plan with three naves divided by pillars, with raised transept and apse, under which the CRYPT extends The crypt is an extraordinary architectural complex from the Romanesque period (11th century) divided into thirty-four spans covered by cross vaults over columns with capitals decorated. In the middle of the crypt, a double flight of stairs dug in rock leads to the sacellum. The sacellum is a miniature reproduction of the Holy Sepulchre of Jerusalem which preserves relics from the Jerusalem tribunal.
Inside are a few small stones set in a slab of marble. According to legend, their bloodstains come from Christ during Passion.

CHURCH OF SAN FRANCESCO  Rising on the location of an older church, the church of San Francesco was dedicated to Our Lady of the Assumption (Assunta, 12th century) and donated to the Franciscans in 1255. The Friars Minor, who granted the church, turned the original gothic forms into baroque leaving only the choir intact. Between 1506 and 1534 a belfry was erected.

MUSEUM OF THE CITY  Located at Palazzo Vescovile, in via Roma 85, you can visit the underground papal prison cells here. The museum occupies the first floor.
A section of the museum is devoted to a large model of the via Francigena from Canterbury to Rome.

LOCAL LEGENDS

THE FESTIVAL OF PUGNALONI The festival originates from the legend of the cherry tree: a dry cherry tree blossomed by a miracle. The legend was taken as a symbol of the city’s liberation from the yoke of tyrannical Barbarossa. Pugnaloni are large mosaics of flowers and leaves display in the streets and squares of the old town during the “Festa della Madonna in fiore”, the third Sunday of May.

FESTIVAL OF SAN LORENZO MARTIRE The festival of San Lorenzo Martire falls on August 10: the statue of the saint is carried in procession through the streets of San Lorenzo Nuovo, accompanied by devotees (Sanlorenzani), the village brotherhood and by the marching band. Afterward the bingo games begin. The following day, and lasting for a week, the Gnocchi Festival (in Italian: Sagra degli Gnocchi).