Idaho - Area of significance: Agriculture
| Ah Toy Garden |
| Allred, Ezra, Cottage |
| American Falls Reservoir Flooded Townsite |
| Arrowrock Dam |
| Bishop West Barn |
| Bowlby, T. P., Barn |
| Brose, Robert and Augusta, Ranch |
| Budge, Alfred, House |
| Cabin Creek Ranch |
| Campbell's Ferry |
| Celadon Slope Garden |
| Chi-Sandra Garden |
| Co-op Gas & Supply Company |
| Cox Barn |
| Dau-Webbenhorst Barn |
| Deesten Farmstead |
| Diversion Dam and Deer Flat Embankments |
| Fort Lemhi |
| Grimmett, John, Jr., House and Outbuildings |
| Gusman, James E., and Emma, Ranch |
| Harkness, H. O., Stable Building |
| Hells Canyon Archeological District |
| Hoffman Barn |
| Houlder, Ellen, Farm |
| Hulme, Amos, Barn |
| Institute Canal Company Pump House |
| Kunze, Rudolf, Barn |
| Lawrence, Russell, Farmstead |
| Lewis Barn |
| Maxwell, Art and Frieda, Barn |
| Meridian Speedway |
| Milner Dam and the Twin Falls Main Canal |
| Minidoka Dam and Power Plant |
| Mittleider Farmstead Historic District |
| Mooney-Dahlberg Farmstead |
| Moore, Jim, Place |
| Myers, Socrates A., House |
| Noble Horse Barn |
| Nordby Farmstead |
| Nye, James, House |
| Oakley Historic District |
| Oneida Milling and Elevator Company Grain Elevator |
| Palisades Dam and Powerplant Historic District |
| Peckham Barn |
| Price, Dan, House |
| Priestly's Hydraulic Ram |
| Rich, Landon, House |
| Salmon Falls Dam |
| Sandpoint High School |
| Schick, Henry, Barn |
| Skillern, John, House |
| Soncarty, Edward and Ida, Barn |
| Spaulding, Almon W. and Dr. Mary E., Ranch |
| Spencer Rock House |
| Spokane Valley Land and Water Company Canal |
| Stoker, Henry, House and Outbuildings |
| Stucki, J. U., House and Outbuildings |
| Twin Falls Canal Company Building |
| Wallentine Farmstead |
| White Spring Ranch |
| Wives of Charles C. Rich Historic District |
Data from United States Park Service and Wikidata