Walk from the twin-towered Bab el-Fotouh, a fortified gate in Cairo’s Old City walls to Khan el-Khalili Bazaar. This one of the city’s major souks (open-air marketplaces). Bargaining is expected, so prepare to negotiate. Explore the Mosque and Madrasa of Sultan Hassan, built in AD 1356, it is regarded as the finest piece of early-Mamluk architecture era in Cairo,