- Old Mission at Cataldo - Cataldo
- Lolo/Lewis & Clark Trail
- Pierce Courthouse - Pierce
- Weippe Prairie - Weippe
- Lemhi Pass - Lemhi County
- Camas Meadows Battle Sites - Clark County
- Idaho State Historical Museum - Boise
- Idaho State Historical Society at the State Capitol - Boise
- Old Idaho Penitentiary State Historical Site - Boise
- Idaho History Center - Boise
- Assay Office - Boise
- Bureau of Reclamation Building - Boise
- Experimental Breeder Reactor I (EBR-I) - Butte County
- Fort Hall - Fort Hall
- The Hatch House - Franklin
- Relic Hall - Franklin
- Franklin Cooperative Mercantile Building - Franklin
- Bear River Massacre Site - Franklin County
- Rock Creek Station and Stricker Homesite - Hansen
- City of Rocks National Reserve - Cassia County
Legend
- ISHS Site
- National Historic Landmark