Hadrian's Mausoleum
castle and museum in Rome, formerly the imperial mausoleum of the emperor Hadrian and subsequent Roman emperors
(Redirected from Castel Sant'Angelo)
The Mausoleum of Hadrian, now known as Castel Sant'Angelo is a towering cylindrical building in Parco Adriano, Rome.
It was 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. It is now a museum. The structure was once the tallest building in Rome.