The Cairo region is one of the world's largest urban areas and an interesting place to visit. The ancient Pyramids of Egypt, which served as tombs for the Pharaohs, and the statue of the Sphinx, Egypt’s most famous monument, are located just west of Cairo in the suburb of Giza. Other attractions are ancient temples, tombs, Christian churches, magnificent Muslim monuments and the Egyptian Museum, all either within or near the city. For the cultural tourist, there are art galleries and music halls, such as the Cairo Opera House. For nature lover’s there’s the scenic oasis of El Fayoum which offers excellent bird watching opportunities, besides the lakes there.