Passing by Piazza Barberini with the Triton Fountain by Bernini, you'll reach St. Mary-Major, the most beautiful Basilica dedicated to Mary Mother of Christ with gorgeous mosaics and the relics of Jesus cradle.
Continue to St. John's-in-Lateran cathedral of Rome and first Papal residence with masterpieces from Middle Ages to Baroque. You then make a stop at the Holy Stairs. Through the first part of the Appian Way, with a view at the Domine Quo Vadis Chapel, you'll reach the Catacombs (Domitilla or St. Callixtus), the ancient underground cemeteries and extraordinary expression of faith of the early Christians.
You will then be return to your hotel or nearest point.