A large basilica stood here about A.D.
Heron de Villefosse, who has laid bare a beautiful temple of Jupiter, a triumphal arch of Caracalla, a Byzantine basilica and the gate of the Byzantine general Solomon.
It was on this spot, on the Appian way, that was built the basilica of St Sebastian, which was a popular place of pilgrimage in the middle ages.
The capitals are like those of the Basilica, but the details are differently worked out.
The modern cathedral, just below the level of this temple, occupies the civil basilica of the town, upon the façade of which was a sun-dial, described by Varro (traces of which may still be seen).