Landskron castle itself was probably built in the early 13th century. Is first mentioned in 1244. This castle was destroyed in 1257 and 1275 by the rebellion Oppenheim citizens. It was rebuilt in 1281.
The castle burned down in 1621 during the Thirty Years War. In the Nine Years War, French troops blew up the keep in 1689 to keep. In the following years the citizens used the ruins as a quarry.
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.