Secret Access: The Vatican provides a revealing look at the inner workings of the Vatican, from the secret archives to the Swiss guards, as well as some of the treasures locked inside. See what is housed under the 110-acre site as an ongoing excavation of an ancient cemetery that the Vatican was built upon uncovers priceless artifacts, including the bones of St. Peter himself. Go inside the Vatican Secret Archives - a collection of rooms and libraries containing some of history's priceless documents. And get to know Vatican security: the top-of-the-line procedures and practices utilized by a combination of Swiss Guards (elite guards to the Pope), Vatican police, and Italian police that keep the Pope and Vatican safe.