The only ancient wonder that does not rely on the descriptions of text and speculation. Unlike the others there is proof of their existence. Although all the pyramids are in our opinion WONDERS OF THE ANCIENT WORLD the Great Pyramid of Khufu (Cheops) is the one recognized as a truly great wonder. Built around the year of 2500 BC to serve as the tomb of Pharaoh Khufu it measured 481 feet high (now approximately 450 feet due to erosion) and consists of 2 million blocks of stone, each weighing more than two tons.