The Mosque of Sultan al-Muayyad stands at the Bab Zuweila city gate, its minarets rising from the gate's two towers in an arrangement unique in Cairo's mosque architecture. The complex was built between 1415 and 1422 and includes the mosque, a madrasa, and the sultan's mausoleum.
The interior is particularly fine: columns taken from earlier buildings, a ceiling of carved and gilded wood, a prayer niche of polychrome marble inlay. But the main reason to visit is to climb the minarets — the access is from inside the Bab Zuweila gate complex, and the views from the top of the towers over the old city rooftops and minarets are exceptional. Bab Zuweila itself, the last surviving southern gate of medieval Cairo, dates to 1092 and is one of the city's great monuments.