The Château de Gisors was a key fortress of the Dukes of Normandy in the 11th and 12th centuries. It was intended to defend the Anglo-Norman Vexin territory from the pretensions of the King of France. King William II of England ordered Robert of Bellême to build the first castle at Gisors. The first building work is dated to about 1095, and consisted of a motte, which was enclosed in a spacious courtyard or bailey. Henry I of England, Duke of Normandy, added an octagonal stone keep to the motte.
In 1193 the castle fell into the hands of the King of France and thereafter lost temporarily its importance as a frontier castle. A second keep, cylindrical in shape, called the Prisoner's Tower, was added to the outer wall of the castle at the start of the 13th century, following the French conquest of Normandy. Further reinforcement was added during the Hundred Years' War. In the 16th century, earthen ramparts were built. Since 1862, Château de Gisors has been recognised as a monument historique by the French Ministry of Culture.
Château de Gisors is also known for its links with the Templars. Put into their charge by the French king between 1158 and 1160, it became the final prison of the Grand Master of the Order, Jacques de Molay, in 1314.
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.