Cairo: Islamic Quarter
The area bounded by Bab el-Futuh to the north, Bab Zuweila to the south, and the Citadel to the east contains the highest density of medieval Islamic monuments anywhere on earth. Al-Muizz li-Din Allah Street (named for the Fatimid caliph who founded Cairo in 969 CE) runs through the heart of this area and is now partially pedestrianised. Begin at Bab el-Futuh and walk south: the Mosque of al-Hakim, the Suq al-Nahhasin brass bazaar, the Madrassa of Sultan Qalawun with its elaborate muqarnas entrance porch, the Al-Ghouri Complex, and Bab Zuweila gateway. Allow a full half-day; the Mosque of Ibn Tulun (the oldest intact mosque in Cairo, 879 CE) and the adjoining Gayer-Anderson Museum deserve an additional half-day.