Uncover the secrets within the walls of the Castel Sant'Angelo, a historic mausoleum museum on the Tiber River's right bank. Explore one of the lesser-known gems of Rome with skip-the-line entry tickets and enjoy views of the city from above. Skip the lines and walk inside to browse through the artifacts that narrate the building's many transformations. First erected to be a monumental tomb, then a fortress during the medieval ages, and a defensive post for barbarian invasions, the castle will offer you new insights into Roman history. Explore the 5 floors of the museum heading towards a spiral ramp, then see the cells and the rooms that served as a Papal residence, as well as a chamber of ashes where you can marvel at the remains of iconic Roman characters and frescoes preserved perfectly. End this informative trip on the Castle’s astonishing roof terrace and have a picturesque view of the whole city. Be prepared to spot Vatican City, the Tiber River, and the famous Bridge of Angels.