Teutonic Castle Ruins from the 14th century with the high tower (56 m high) has been survived to the nowadays in Brodnica. The castle was the headquarters of the commander of Brodnica and was one of the most powerful Teutonic castles. During the 13-year war was occupied by the Polish army in 1454 and 1463. From 1479 to the partition of Poland in 1772 the castle was the seat of Polish mayors (1485-1604 Działyński, and the most famous: princess Anna Vasa 1604-1625). The castle was destroyed during the Swedish wars in the 17th century and in the years 1785-1842 was partially demolished by order of King Frederick II of Prussia. The castle is adjacent to the northwest part of the city walls, used to protect one of the most important passages on the River Drwęca. Built on a square plan with an inner courtyard, surrounded by a moat and linked to the flowing beside Drwęca.Currently in the basement of the castle the museum exhibition is located.
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.