The Great Sphinx of Giza facing due east with the Pyramid of Khufu in the background.The Pyramids of Giza consist of the Great Pyramid of Giza also known as The Pyramid of Khufu, the somewhat smaller Pyramid of Khafre and the relatively modest sized Pyramid of Menkaure. Egyptologists believe that the Great Pyramid was built as a tomb for the Pharaoh Khufu around 2560 BC.It is the oldest of the seven wonders of the ancient world. At 481 feet high it remained the tallest man made structure in the world for over 3,800 years.