Blackwater Draw: 9300-4000 B.C., Paleoindian and Archaic cultures in New Mexico
Hidden Cave: 3000 B.C.-A.D. 1000, desert Archaic culture in Nevada
Cape Krusenstern: 6000 B.C.-20th century, Iñupiat Eskimo cultures in Alaska
Head-Smashed-In Buffalo Jump: 3500 B.C.-19th century, Plains Archaic culture in Alberta, Canada
Big Horn Medicine Wheel: 18th-20th century, Plains Indian culture in Wyoming
Ozette: A.D. 1-20th century, Northwest Coast Archaic culture on the Olympic Peninsula, Washington
Hopewell: 100 B.C.-A.D. 400: Hopewell culture in Ohio
Poverty Point: 1730-1350 B.C., Poverty Point culture in Louisiana
Serpent Mound: A.D. 1000-1140, Fort Ancient tradition in Ohio
Mesa Verde: A.D. 600-1300, Ancestral Pueblo culture in Colorado
Pueblo Bonito: A.D. 860-1150, Ancestral Pueblo culture at Chaco Canyon, New Mexico
Pueblo Grande: A.D. 500-1450, Hohokam culture in Phoenix, Arizona
Cahokia: A.D. 800-1350, Mississippian culture in East St. Louis, Illinois
Spiro: A.D. 850-1450, Mississippian culture in Oklahoma
Moundville: A.D. 1050-1500, Mississippian culture in Alabama
Iroquoian archaeology: A.D. 1300-1650, Iroquoian tradition around London, Ontario
Knife River: A.D. 1300-1800, Plains Village tradition in North Dakota
Little Bighorn Battlefield: 25 June 1876, Sioux, Cheyenne, Crow, and Euro-American cultures meet at Hardin, Montana.
