Alamosa County Colorado (Vacant / Not In Use) has 4 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Medano Ranch Headquarters, Denver and Rio Crande Locomotive No. 169, Denver and Rio Grande Railroad Locomotive No.169, Trujillo Homestead.
Some of the country's most noteable architects helped create the Alamosa County places including Baldwin Locomotive Works. Prominent architectural styles found in Alamosa Country are .