Grand County Colorado (Historic Districts) has 4 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Denver, Northwestern and Pacific Railway Historic District and Grand Lake Lodge, Holzwarth Historic District.
Some of the country's most noteable architects helped create the Grand County places including Northwestern and Pacific R.R. Denver, Franklin I. Huntington, John G. Holzwarth and Joseph Fleshuts. Prominent architectural styles found in Grand Country are Other and Ranch House.