Clearwater County Idaho (Historic Districts) has 2 places on the National Register of Historic Places including 1 place of National significance. Significant places include Nez Perce National Historical Park, Orofino Historic District.
The famous person Merriweather Lewis is associated with one of more of the Clearwater County historic places. Prominent architectural styles found in Clearwater Country are Bungalow/Craftsman, Colonial Revival and Queen Anne.