Peter's bones were identified in the excavations that the Scavi tour visits (age 15 and over, booked months ahead). Andrew's relics reached Amalfi in 1208; his head was returned to Patras, Greece, in 1964. Major relics of Thomas have been at Ortona, Italy, since 1258.

St. Mark the Evangelist, not one of the Twelve, rests in St. Mark's Basilica, Venice.