Explore the undergrounds of Rome, buried deep beneath the capital and learn all there is to know about life in ancient Rome Discover underground Rome, buried deep beneath the capital: take part in a journey to the ancient world of the eternal city and uncover the three underground levels of the Basilica of San Clemente: you'll learn the history of this 12th century church, home to breathtaking mosaics and frescoes dating back to the 4th century. Its deepest level is made up of homes that date back to the 1st-century bc and that, at the time, would have been on street level. Once your tour of San Clemente os over, you'll be taken to the Roman houses under Basilica dei Santissimi Giovanni e Paolo. Here you'll discover an enchanting medieval piazza, far from the crowds of tourists. You'll have the chance to admire the church and its stunning frescoes, and wander the roads, exploring the homes of Imperial Rome.