Experience an exceptional journey beneath the vibrant streets of Rome with the San Clemente Underground & Basilica Semi-Private Tour. Begin your exploration in the magnificent 12th-century Basilica before delving deeper into history as you descend to a remarkable 4th-century Early Christian church. The tour continues to an even earlier era, guiding you into a well-preserved 1st-century Roman neighborhood, where the secrets of antiquity are revealed and one of the world's finest Mithraic temples awaits discovery. Led by a knowledgeable expert and limited to a small group of no more than 10 participants, this tour offers an in-depth exploration of nearly 2,000 years of Roman history. Ideal for discerning history enthusiasts, this exclusive experience unveils one of the Eternal City's most fascinating hidden treasures.