Magnificent view from the tophill down the valley and the Theatre of Pergamon. Pergamon has perhaps the steepest theater in the world; it follows the natural incline of the slope with the capacity of 10,000 spectators. The theatre at Pergamum has seventy-eight rows of seats and is divided into three horizontal seating sections. Two horizontal walkways (diazomata) separate upper and lower sections of theatron seating. Pergamon was an ancient Greek city in Aeolis, currently located 26 kilometres (16 mi) from the Aegean Sea and the capital of the Kingdom of Pergamon during the Hellenistic period, under the Attalid dynasty, 281–133 BC. Mentioned in the Book of Revelation, the city is known for the Library of Pergamum in Pergamum, Turkey, one of...