16. Great Pyramids
Gizeh, Egypt
Pyramids of Menkaure, ca. 3,000-2,920 B.C.E.; Khafre, ca. 2520-2494 B.C.E.;
Khufu ca. 2551-2528 B.C.E.
limestone
largest (Khufu) approximately 450 ft. high
17. Great Pyramids
Gizeh, Egypt
Pyramids of Menkaure, ca.
3,000-2,920 B.C.E.; Khafre, ca.
2520-2494 B.C.E.;
Khufu ca. 2551-2528 B.C.E.
limestone
largest (Khufu) approximately
450 ft. high