Idaho - Criteria: A (event)
| Davids' Building |
| Davie, William, House |
| Day, Ivan W., House |
| Deep Creek Ranger Station |
| Delamar Historic District |
| Diversion Dam and Deer Flat Embankments |
| Dorman, Henry W. and Ida Frost, House |
| Dover Church |
| Eagle Adventist Schoolhouse |
| East Side Downtown Historic District |
| Elfers, Jurden Henry, Barn and Field |
| Elk City Wagon Road-Vicory Gulch-Smith Grade Segment |
| Elmore County Courthouse |
| Emmett Presbyterian Church |
| Empire School |
| Enders Hotel |
| Experimental Breeder Reactor No. 1 |
| Farmers and Merchants Bank |
| Fenn Ranger Station |
| Finch, John A., Caretaker's House |
| Firebird Raceway |
| First Baptist Church of Emmett |
| First Flag Unfurling Site, Lewis and Clark Trail |
| First Lapwai Bank |
| Fish Creek Dam |
| Fort Boise and Riverside Ferry Sites |
| Fort Hall |
| Fort Lemhi |
| Fort Sherman Buildings |
| Foskett, Dr. Wilson, Home and Drugstore |
| Foster, Blacky, House |
| Fox-Worswick House |
| Franklin City Hall |
| Franklin Co-operative Mercantile Institution |
| Franklin County Courthouse |
| Franklin School |
| Freeze Community Church |
| Fremont County Courthouse |
| Gardiner Peak Lookout |
| Garfield School |
| GAR Hall |
| Genesee Exchange Bank |
| Georgetown Relief Society Hall |
| Glenns Ferry School |
| Gold Point Mill |
| Goodale's Cutoff |
| Granite Pass |
| Grimmett, John, Jr., House and Outbuildings |
| Hagerman State Bank, Limited |
| Hailey Masonic Lodge |
| Harrison Boulevard Historic District |
| Harrison Commercial Historic District |
| Hazelton Presbyterian Church |
| Hells Canyon Archeological District |
| Hester, Patrick J. and Lydia, House |
| Hollingshead Homestead |
| Hollister School |
| Horse Barn |
| Hotel Bovill |
| Hotel Charbonneau |
| Hotel Moscow |
| Hotel Patrie |
| Hotel Rietmann |
| Idaho Falls Airport Historic District |
| Idaho Mining and Smelter Company Store |
| Idaho National Guard Armory |
| Idaho Republican Building |
| Idaho Rocky Mountain Club |
| Idaho State University Neighborhood Historic District |
| Independent Order of Odd Fellows Hall |
| Indian Springs School II |
| Inland Empire Electric Railway Substation |
| Institute Canal Company Pump House |
| Jacobsen, N.A., House |
| JEAN (steamboat) |
| Jefferson County Courthouse |
| Jerome County Courthouse |
| Jewell Building |
| Jones, Jedd, House |
| Kappa Sigma Fraternity, Gamma Theta Chapter |
| Kelly's Hotel |
| Kendrick Downtown Historic District |
| Kendrick Fraternal Temple |
| Kenworthy Theatre |
| Ketchum Ranger District Administrative Site |
| Kimberly High School |
| Knights of Pythias Lodge Hall |
| Krassel Ranger Station |
| Kunze, Rudolf, Barn |
| Lamb Creek School |
| Lander Road |
| Lava High School Gymnasium |
| LDS Seminary |
| LDS Stake Office Building |
| Leesburg |
| Lemhi Boarding School Girls Dormitory |
| Lemhi County Courthouse |
| Lemhi Pass |
| Lewiston Depot |
| Lilyquist-Christianson Building |
Data from United States Park Service and Wikidata
