Blaine County Montana has 10 places on the National Register of Historic Places including 1 place of National significance and 2 places of Statewide significance. Significant places include Chief Joseph Battleground of the Bear's Paw, Cow Creek Skirmish Historic District and Cow Island Landing Skirmish Site, Dave's Texaco and Lodgepole Community Hall.
Several famous people are associated with these Blaine County historic places including Chief Joseph and Andrew S. Lohman.
Some of the country's most noteable architects helped create the Blaine County places including PWA. Prominent architectural styles found in Blaine Country are Mission/Spanish Revival.