Although the origins of Alcázar de Toro castle date back to the 10th century, its current construction dates from the 15th century. Witness of important historical events, the Alcazar de Toro is one of the main buildings of the city.
After the división of León and Castile in the mid-12th century, Toro remained in the kingdom of León. In 1199 Alfonso 9th married Doña Berenguela and between 1188 and 1195 he started the construction of the castle and the walls. Sancho IV donated Toro its fortress to his wife, María de Molina, in 1283, and she rebuilt the old castle giving it the present structure. In the mid-19th century the castle was in ruins, having been used mostly to store gunpowder.
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.