Idaho - Criteria: A (event)
| Lincoln Creek Day School |
| Lincoln School |
| Lochsa Historical Ranger Station |
| Lolo Trail |
| Longfellow School |
| Long Valley Finnish Church |
| Lowell School |
| Lower Main Street Commercial Historic District |
| Lower Salmon River Archeological District |
| Mackay Methodist Episcopal Church |
| MacMillan Chapel |
| Madison County Courthouse |
| Mallard Peak Lookout |
| Maxwell, Art and Frieda, Barn |
| McBeth, Sue, Cabin |
| McCammon State Bank Building |
| McConnell-McGuire Building |
| McLaren, William and Elizabeth, House |
| Meinert Ranch Cabin |
| Memorial Gymnasium |
| Mercy Hospital |
| Meridian Exchange Bank |
| Middleton Substation |
| Milner Dam and the Twin Falls Main Canal |
| Minidoka Dam and Power Plant |
| Minidoka Internment National Monument |
| Moore-Cunningham House |
| Moore Gulch Chinese Mining Site (10-CW-159) |
| Moore, Jim, Place |
| Moose Creek Administrative Site |
| Moscow High School |
| Mountain Home Carnegie Library |
| Mountain States Telephone and Telegraph Company Building |
| Mullan Road |
| Murray Masonic Hall |
| Myers, Socrates A., House |
| Nampa Valley Grange No.131 |
| Neal, Halbert F. and Grace, House |
| Nelson, Wilhelmina, House and Cabins |
| New Sweden School |
| Nez Perce National Historical Park |
| Niece Brothers' Store |
| Noble Horse Barn |
| Nordby Farmstead |
| North Caldwell Historic District |
| Northern Pacific Railway Depot |
| North Side School |
| Nuart Theater |
| Nu Art Theatre |
| Odd Fellows Hall |
| O'Farrell, John A., Cabin |
| Ola School |
| Old China Trail |
| Old Idaho State Penitentiary |
| Old LDS Tithing/Paris Post Building |
| Oneida County Courthouse |
| Oneida Milling and Elevator Company Grain Elevator |
| Oneida Stake Academy |
| Oregon Short Line Railway Depot |
| Oregon Trail Historic District |
| Orofino Historic District |
| Owsley Bridge |
| Pacific and Idaho Northern Railroad Depot |
| Paris Cemetery |
| Paris Lumber Company Building |
| Payette Lakes Club |
| Peckham Barn |
| Pierce Courthouse |
| Pierce Park School |
| Pierre's Hole 1832 Battle Area Site |
| Placerville Historic District |
| Pleasant Valley School |
| Pleasant View School |
| Pleasant View School II |
| Plummer Point CCC Picnic and Hiking Area |
| Poison Creek Stage Station |
| Portia Club |
| Post Falls Community United Presbyterian Church |
| Power County Courthouse |
| Prairie School II |
| Priestly's Hydraulic Ram |
| Priest River Commercial Core Historic District |
| Pulaski, Edward, Tunnel and Placer Creek Escape Route |
| Quinn Apartments |
| Ream, William and Nora, House |
| Reclamation Service Boise Project Office |
| Register Rock |
| Rialto, Hotel, The |
| Roberts, Morris, Store |
| Rocky Mountain Bell Telephone Company Building |
| Rocky Point CCC Properties |
| Roosevelt School |
| Rose Lake School II |
| Roswell Grade School |
| Salmon Falls Dam |
| Salmon Mountain Lookout |
| Salubria Lodge No. 31 |
| Sandpoint Burlington Northern Railway Station |
| Sandpoint High School |
| Sandpoint Historic District |
Data from United States Park Service and Wikidata
