Although it stands in the shadow of the citadel, Sultan Hassan's school and mosque can still make a strong impression. The building is a colossal example of Mamluk architecture. It was built during the 14th century for a sultan famous for his extravagant spending, making the sheer size of the building a splendid sight in its day. , but contemporary visitors are sure to be impressed by its beautiful and impressive architecture. The Sultan Hassan Mosque is one of the most valuable Islamic monuments, as it came with an Islamic architectural design that includes decorations, inscriptions, muqarnas, domes and towering minarets.