The Great Sphinx lies on the east side of the complex, facing east. The shape is that of a reclining lion with a human head. Current consensus among Egyptologists is that the head of the Great Sphinx is that of Khafre. It is the largest monolith statue in the world, standing 241 ft. long, 20 ft. wide, and 65 ft. high. Great Sphinx was built in approximately 2500 B.C. See Wikipedia: Great Sphinx of Giza

Sphinx wears a Nemes headdress