Mirabella Fortress is located above town of Omiš. It is a Romanesque fortress, built in 13th century above the town of Omiš. Mirabela was a reliable hideout for the Omiš pirates who used to retreat into the safety of the Cetina gorge. Legend says that in 1537, during an attack by the Turks, the defenders of Omiš confused the attackers with their shouting and shots so much that the Turks overestimated the number of defenders and fled.
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.