4The Citadel of Aleppo, Syria

One of the oldest and largest fortresses in the world, the Citadel of Aleppo dates back over 3,000 years and stands as a testament to the city’s rich history. Located on a hill in the heart of Aleppo, this massive stone fortress has been used by various civilizations, including the Greeks, Romans, Byzantines, and Ottomans. The citadel’s high walls, grand entrance, and strategic location made it an important military stronghold throughout history. Despite the damage it has suffered in recent years, the Citadel of Aleppo remains one of the most impressive and historically significant fortresses in the Middle East..