Rēzekne Castle served as a base of the local Livonian order landlords until the 16th century and also as the main military support base for battles against Russians and Lithuanians. Archeological excavations reveal that between the 9th and 12th centuries a Latgalian wooden fortress was situated in the place where the castle ruins now stand. It is unknown when the Latgalian fortress was destroyed, however in 1285 the master of the Livonian Order Vilhelms Šurborgs built a stone fortress on the Rositten stone hill. The fortress consisted of a two-story brick and stone castle with a three-storey towers and thick brick walls, functioning as the administrative seat of Rezekne.
The castle was ravaged and rebuilt many times. Between 1577 and 1579, it was occupied by Czar Ivan IV Vasilyevich, and after the war it became part of the Duchy of Livonia. During the Polish-Swedish War in 1601, and again from 1625 to 1626, the Rezekne castle was occupied by the Swedish army, during the Second Northern War. The battle took place in 1656, during which the Rezekne castle was finally destroyed as the Swedish troops managed to defeat the much larger Russian forces. In 1660 it was reinstated, but the castle had lost its former military importance. From 1712 it was left in ruins. Today, fragments of the stone walls and the foundation can be seen on the ancient castle hill.
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.