Via di San Giovanni in Laterano, 00184 Rome, Italy
Phone: +39 06 774 0021
San Clemente, Via Labicana 95, walk round church for entrance (A short walk from the Colosseum), ☎ +39 06 70 45 10 18, . A great little cathedral to visit, lovingly looked after by Irish Dominicans. There is an excavated older church below the medieval church you enter and a 2nd century temple to Mithras (mithraeum) below that. The only place in Rome to hear the underground river that flows beneath the city.