Islamic Cairo is a historic district that is home to numerous mosques, madrasas, and other Islamic architectural wonders. Visitors can explore the narrow streets and discover hidden gems such as the Sultan Hassan Mosque, Al-Rifa'i Mosque, and the Al-Azhar Mosque. The district also houses the famous Al-Muizz Street, which is lined with beautiful buildings and offers a glimpse into the city's rich Islamic heritage. Islamic Cairo is a must-visit for architecture and history enthusiasts.