The ruins of ancient Heliopolis (also known as Iunu and On), center of the cult of the sun god Ra, are now covered by the Cairo suburb of Matariyya and few monuments are visible today. Highlights in Heliopolis are the Obelisk Park, where you can see an obelisk of Senwosret I and view artifacts discovered nearby in a small open air museum. Nearby is the Tree of Mary...
