Those with a passion for pyramids should also make sure to visit the Pyramid of Djoser, located just south of Cairo at Saqqara, the necropolis of ancient Memphis. The pyramid was built in the 27th century BC, using a unique stepped style that pre-dates the smooth-sided pyramids at Giza. It is the oldest stone-cut monument in the world. The best way to visit Saqqara is on a day tour from Cairo.