From Italy Magazine:
Thanks to the opening of areas previously closed to the public, the visit of Castel Sant’Angelo is now longer and more complete, turning into a trip through Rome’s history.
One of the most popular sights in Italy, with approximately 1.2 million visitors a year, Castel Sant’Angelo is one of Rome’s most iconic monuments. It was built by emperor Hadrian in the second century as a mausoleum for himself and his family (in fact it also goes by the name of Mausoleum of Hadrian). Through the centuries, it underwent a series of transformations, from monumental tomb to inaccessible fortress, from prison and torture chamber to papal residence in the Renaissance, from military barracks to national museum.
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