Castel dell'Ovo
Naples is well known for its historic castles: The most ancient is Castel dell'Ovo ("Egg Castle"), which was built on the tiny islet of Megarides, where the original Cumaean colonists had founded the city. In Roman times the islet became part of Lucullus's villa and later it was the site to which the last western Roman emperor, Romulus Augustulus, was exiled. It had also been the prison for Empress Constance between 1191 and 1192 after her being captured by Sicilians, and Conradin and Giovanna I of Naples before their executions.