San Vittorino's Catacombs;built on the place where the saint was martyred;lie underneath the church dedicated to Saint Michael the Archangel and consist of six rooms dug in the rock;meant to contain the graves of the faithful.The main room contains the martyr's tomb;erected in the V century by order of the bishop Quodvultdeus who had a marble shrine built with materials from the archaeological site of Amiternum and contemporary marble carvings.