The Great Pyramid of Giza is one of the most incredible ... This hidden passage, located behind the pyramid's original entrance, is about 9 meters (30 feet) long and 2 meters (6.5 feet) wide.

As one of the original Seven Wonders of the World ... You'll find three primary pyramids, the best known being the Great Pyramid – affiliated with Khufu, the Fourth Dynasty pharaoh buried ...