Rumelihisarı (also known as Rumelian Fortress) is a medieval Ottoman fortress located in Istanbul, on a series of hills on t ...
Yedikule Fortress ('Fortress of the Seven Towers') is a historic fort in Istanbul’s Fatih district, built in 1458 ...
Anadoluhisarı (Anatolian Fortress) is a medieval Ottoman fortress located in Istanbul on the Asian side of the Bosporus. The ...
The Walls of Constantinople are a series of defensive stone walls that have surrounded and protected the city of Constantinop ...