The remains of the Stegeborg castle are situated beautifully on a little island in the sea channel leading toward Söderköping. In the Middle Ages the castle was one of the most important strongholds in Sweden and also a royal palace. The oldest parts of the castle is a brick tower in the southeast corner, built in the early 13th century.
In the 18th century the castle was in bad shape and some wooden buildings were even were auctioned off. In 1938 the Swedish National Heritage Board received a small sum to clear the location of trees and repair the worst damage and raise protective roofing over certain parts. The new main building (a private residence) was completed in 1806. The herb-garden was laid out in 1988 by the present owner.
Today Stegeborg is open for tourists and the castle ruins are now also a port tavern and a marina.
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.