Tourist Boat And Castle Sant`Angelo On The Banks Of The River Tiber In Rome, Italy Stock Photography

The Mausoleum of Hadrian, usually known as Castle Sant`Angelo, is a towering cylindrical building in Parco Adriano, Rome, Italy. It was initially commissioned by the Roman Emperor Hadrian as a mausoleum for himself and his family. The building was later used by the popes as a fortress and castle, and is now a museum. The structure was once the tallest building in Rome