da Catacombs na Saint Peter da Marcellin Suna kan Via Casilina, a cikin abin da a da Via Labicana take. A lokacin an kuma san su da Catacombs na Santa Elena ko Catacombs na San Tiburzio.
Samun damar zuwa wannan makabartar ta karkashin kasa ana yin shi ne daga Ikklesiyar Waliyyai Marcelino da Pedro ad Duas Lauros, wanda, tare da Mausoleum na Elena, babban basilica a yau aka binne shi kuma ragowar makabartar dawakai masu dawakai sun zama hadadden da ake kira Ad Duas Lauros, mai yiwuwa saboda bishiyoyi biyu na laurel da suke kan wannan rukunin yanar gizon.
Wadannan catacombs, tare da murabba'in mita 18.000, sune na uku mafi girma a Rome. Har zuwa 'yan watannin da suka gabata ana buɗe su ne kawai ga jama'a sau ɗaya a shekara, amma tun daga Afrilu 13 na ƙarshe, 2014 ana iya ziyartar su kowane ƙarshen mako. An sake dawo da farfajiyar gaba daya kuma an kawata ta da zane-zanen Kiristen na farko waɗanda suka dace da irin waɗannan halayen. Daidai, godiya ga tallafi na Gidauniyar Alieyev, ɗakuna 87 da aka yi wa ado da frescoes na Kirista daga ƙarni na farko an mai da su darajarsu ta asali.
Sunanta yana nufin shahidai Kirista biyu, Marcelino da Pedro, waɗanda bisa ga al'ada aka binne su a nan, kusa da San Tiburzio. A shekara ta 2006, an sami kwarangwal sama da dubu, an ɗora ɗaya a kan ɗayan kuma an yi musu suturar da aka binne su da ita. Sun kasance tufafi masu kyau, masu zaren zinariya, kuma an lulluɓe su cikin zanen gado, wani abu da ya zama gama-gari a jana'izar Kiristocin da.
Wannan yanki duka mallakar Helena na Konstantinoful, mahaifiyar Emperor Constantine.