Arch 217, Cal Poly, Don Choi

Mithraeumunder church of San Clemente. Rome

Dura Europos,Syria.

Christian community house. Dura Europos, Syria

This is one of the earliest known churches. It was remodeled from a typical courtyard house and contained a room for the catechumens, a baptistery, and main hall. It also served as a place for meals for the congregation.

. Basilica, Palace of Constantine. Trier, Germany

St. Peter’s Basilica. Rome

Constantine sponsored the first great Christian building projects in Rome. The most important of these was the basilica of St. Peter, built above the tomb of St. Peter.

Basilica. Pompeii (2nd century BCE).