One tomb that was left largely intact was that of Tutankhamun in the Valley of the Kings. Rediscovered in 1922 by Howard Carter, this famous tomb is best known for the solid gold funerary mask of Tutankhamun.
"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.