This place oozes history, dating back, incredibly, to 1467. Famous guests have included Jean-Paul Sartre and Simone de Beauvoir, as well as 15th century poet Ludovico Ariosto and 19th-century composer Pietro Mascagni, among others. Rooms are decorated with lavish, period decor, lots of brocade drapery, fine fabrics, and traditional furniture. Each unit comes equipped with air conditioning and satellite TV, and some feature unbeatable views of the Pantheon.