Catacombe Santi Marcellino e Pietro
The Catacombs of Saints Marcellino and Pietro are located in the basement of the parish of Santi Marcellino and Pietro in Via Casilina in Rome. It is part of a complex called Ad Duas Lauros ('to the Two Laurels'), probably due to the presence of two laurel trees found on this site. The period of the construction of these catacombs can be placed at the time of the persecution of Diocletian.