Of great historic, scenic, and ethnologic interest. South Dakota 320 Area containing deposits of plant fossils. Virginia 22 Site of home in which George Washington was born. Grounds to be restored and replica of the old homestead to be erected. 1909 New Mexico 424 One of the most important of earliest Spanish mission ruins in the Southwest.
Monument also contains pueblo ruins.
Utah-Colorado 286 Four groups of prehistoric towers, pueblos, and cliff dwellings. Phenomena exist upon a scale of great magnitude. Includes Valley of Ten Thousand Smokes. Now closed to public because of depredations by vandals. 160 Prehistoric cliff-dweller ruin of unusual size situated in a niche in face of a vertical cliff.