Top activities in Cairo
Top Cairo landmarks
Top Cairo landmarks tickets
Top Cairo categories
Explore Cairo and beyond
Nearby Cairo tours
Popular tours in Egypt
People also visited
Trip Inspiration
Standing proudly in Coptic Cairo and housing the Hanging Church, two round Roman towers are all that remain of Babylon Fortress. During Roman times, it was the center of government, with walls as thick as 13 feet (4 meters; after Arab Muslim forces conquered what is today Cairo, much of the stone went to build Coptic Cairo.