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.



















