Albani are the volcanic hills on which it stands, Albano the lake that stretches out before the town. The town, which preserves remnants from Roman and medieval times, originates from a property owned by Domitian in the territory of Alba Longa, the town founded by Aeneas's son Ascanius, believed to be the birthplace of Romulus and the heart of the League of Latin Villages. It is one of the most renowned of the Castelli Romani. During the eighteenth and nineteenth centuries, it became a compulsory stop for poets, writers and painters who came to portray the views of the Roman countryside. It preserves archaeological finds linked to the memory of the castra Albana, a military camp of imperial times that occupied almost the entire urban area: the Porta Pretoria, with three arches and flanked by towers, brought to light by bombings during World War II, and the Cisternone, a grandiose water storage structure, still in use today, the remains of the Baths built by Caracalla, and the Severian Amphitheatre. Other unique monuments are the Romanesque church of Santa Maria della Rotonda, built over the nymphaeum of a 1st-century villa, and, in the suburbs, the Tomb of the Horatii and Curiatii, popularly believed to be the tomb of the legendary heroes.