Castle d'Eivissa, also known as Ibiza Castle, stands atop Puig de Vila. Its history goes back to the Middle Ages and the Moorish era. Currently, the partially restored complex is surrounded by thick walls, which are a reconstruction of the Renaissance fortifications.
The two defensive elements of the old fortress have been best preserved to the present day. The first is the Baluarte de Sant Jaume bastion, where you can see an exhibition of weapons used to defend the walls of Ibiza. The second is Baluarte de Sant Pere, which houses an exhibition devoted to the history of the castle and its subsequent extensions.
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.