Northwest Arctic County Alaska has 2 places on the National Register of Historic Places including 2 places of National significance. Significant places include Cape Krusenstern Archeological District National Monument and Onion Portage Archeological District.
Prehistoric cultural affiliation(s) include Denbigh, Arctic Woodland Eskimo, Norton/Ipiutak and Itkillik dating back to 8999 BC. Prominent architectural styles found in Northwest Arctic Country are .