MEDIAEVAL ROME
San Clemente (Mediaeval church, underground church and Mithraeum)
Aventine Hill:
Santa Sabina
Knights of Malta Keyhole
Orange Garden
Bocca della Verità (Mouth of Truth)
Jewish Ghetto (lunch break)
Tiber Island
Trastevere District:
Santa Maria in Trastevere Church
Santa Cecilia Church
That's the perfect tour if it's your second or third time in Rome; you will discover unknown spots in a peaceful atmosphere!