The Great Pyramid at Giza is the largest and most famous pyramid. It was built for Pharaoh Khufu. It is over 140 metres high and took 20 years to build. It is listed as one of the seven wonders of the world. The step pyramid at Saqqara is the earliest pyramid which is still standing today. This was built in 2630 BC. It was a burial place of the Pharaoh Djoser. The architect of the step pyramid was Imhotep.