Iosco County Michigan has 5 places on the National Register of Historic Places including 1 place of National significance and 2 places of Statewide significance. Significant places include Cooke Hydroelectric Plant, Alabaster Historic District and Tawas Point Light Station, Five Channels Dam Archeological District.
Some of the country's most noteable architects helped create the Iosco County places including William Gilbert Fargo, James Berry Foote and United States Gypsum Co.. Prominent architectural styles found in Iosco Country are Classical Revival.