The Castello di Milazzo is located on the summit of a hill overlooking the town, on a site first fortified in the Neolithic era. The castle was built as a result of the strategic importance of the Milazzo peninsula, which commands the Gulf of Patti, the body of water that separates Sicily from the Aeolian Islands. It also commands one of Sicily's most important natural harbours.
The Greeks modified it into an acropolis, and it was later enlarged into a castrum by the Romans and Byzantines.
In around 843, the Arabs began to build a castle on the ruins of the Greek, Roman and Byzantine fortifications. The castle's keep possibly dates back to this era. The castle was enlarged by the Normans and Swabians. It was extensively modified during the reign of Frederick II of Hohenstaufen.
Between 1496 and 1508, the Aragonese built walls with six semi-circular bastions, encircling the original medieval castle. Between 1525 and 1540, the Spanish built bastioned fortifications around the Aragonese walls and the settlement which surrounded it, expanding the castle into a citadel. The new fortifications were designed by the military engineers Pietro Antonio Tomasello and Antonio Ferramolino. Some outworks were added in the 17th century. Several civil buildings began to be built within the walls of the castle, including the old cathedral and various palaces.
The castle was in Habsburg hands in the first half of the 18th century, before being taken over by the Bourbons. The latter retained the castle until they lost Milazzo to Giuseppe Garibaldi in 1860. The castle was subsequently converted into a prison in 1880, and underwent a number of alterations. The prison closed in 1959 and the castle remained abandoned for a couple of decades.
It is now in good condition, and open to the public.
References:The ancient Argos Theater was built in 320 BC. and is located in Argos, Greece against Larissa Hill. Nearby from this site is Agora, Roman Odeon, and the Baths of Argos. The theater is one of the largest architectural developments in Greece and was renovated in ca 120 AD.
The Hellenistic theater at Argos is cut into the hillside of the Larisa, with 90 steps up a steep incline, forming a narrow rectilinear cavea. Among the largest theaters in Greece, it held about 20,000 spectators and is divided by two landings into three horizontal sections. Staircases further divide the cavea into four cunei, corresponding to the tribes of Argos A high wall was erected to prevent unauthorized access into the theatron and may have helped the acoustics, but it is said the sound quality is still very good today.
Around 120 CE, both theaters were renovated in the Roman style.