Falerii Novi
Fabrica di Roma, Italy
Falerii Novi (English: New Falerii) was an ancient Roman walled town in the Tiber River valley, about 50 km (31 mi) north of Rome and 6 km (3.7 mi) west of Civita Castellana. Its impressive gate and the whole perimeter of its city walls are still visible.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).