Admire artifacts from Ancient Egypt in the Egyptian Museum. Then visit Salah El Din Citadel, constructed in 1183 AD, and Mohamed Ali Mosque, built inside the castle in the 19th century. Tour Old Cairo, the site of a city that pre-dated Cairo with many historic churches and a Roman fort

If you have a 4-5 hours layover in Cairo, they are enough to visit one of the m Egyptian museums. Walk like an Egyptian among statues, the golden staff of king Tut, mummies, tools, and much more.