Rome is the city of museums resonating diverse relics for different periods of time. There are over 50 museums at Rome itself of them the ones you must visit are the Museo di Palazzo Doria Pamphili, CentraleMontemartini, and Mausoleum of Hadrian.Museo di Palazzo Doria Pamphili located in Palazzo Doria Pamphili is probably the largest holder of art item from 16th and 17th century along with the immense historical significance of the building itself. Mausoleum of Hadrian or as often called Castel Sant'Angelo is a cylindrical building which dates back to pre-Christian times. CentraleMontemartini is the world’s greatest center for display of Christian art and culture.