Minnesota - Criteria: A (event)
| Hibbing High School |
| Hill Annex Mine |
| Hill, Matt and Emma, Historic Farmstead |
| Hill's James, J., North Oaks Farm, Dairy Building |
| Hilltop Hall |
| Hinckley Fire Relief House |
| Hoffman Apiaries |
| Hokah Municipal Building |
| Holden Lutheran Church Parsonage |
| Hollywood Theater |
| Holman Field Administration Building |
| Holmes Block |
| Holy Trinity Church-Episcopal |
| Holz Family Farmstead |
| Hotel Atwater |
| Hotel Broz |
| Hotel Glode |
| Hotel Kaddatz |
| Hotel Reichert |
| Hotel Sacred Heart |
| Hotel Thompson |
| Houston County Courthouse and Jail |
| Howard Lake City Hall |
| Hubbard County Courthouse |
| Hull-Rust-Mahoning Open Pit Iron Mine |
| Hultgren, Louis, House and Sand Pit |
| Hutchinson Carnegie Library |
| Immanuel Lutheran Church |
| Indian Mounds Park Mound Group |
| Ingersoll, William, Estate |
| Inspiration Point Wayside Rest |
| Interstate State Park CCC/WPA/Rustic Style Campground |
| Interstate State Park WPA/Rustic Style Historic District |
| Inyan Ceyaka Otonwe |
| Ironton City Hall |
| Ironton Sintering Plant Complex |
| Irvine, Horace Hills, House |
| Irving School |
| Isabella Ranger Station |
| Isanti County Courthouse |
| Itasca State Park |
| Iverson, Urjans, House |
| Jackson County Courthouse |
| Jackson Hotel |
| Janesville Free Public Library |
| Jefferson Grain Warehouse |
| Jefferson School |
| Johnson, J. A., Blacksmith Shop |
| Johnson, John A., House |
| Jordan Brewery Ruins |
| Jordan Historic District |
| Jukola Boardinghouse |
| Kabetogama Ranger Station District |
| Kahlert Mercantile Store |
| Kajer, Wencl, Farmstead |
| Kanabec County Courthouse |
| Kappel Wagon Works |
| Kasota Township Hall |
| Kasota Village Hall |
| Kasson Municipal Building |
| Kasson Public School |
| Kenney Lake Overlook |
| Kettle Falls Historic District |
| Kettle Falls Hotel |
| Keystone Building |
| Kiel & Morgan Hotel/Lyon County Courthouse |
| Kiesling, Frederick W., House |
| Kilbride, Dr. E. A., Clinic |
| Kilstofte, Peter P., Farmstead |
| Kimball Prairie Village Hall |
| Kirch/Latch Building |
| Kline Sanatarium |
| Komensky School |
| Koochiching County Courthouse |
| Krabbenhoft, Wulf C., Farmstead |
| Krank Manufacturing Company |
| Kreitinger Garage |
| Lac qui Parle County Courthouse |
| Lac qui Parle State Park WPA/Rustic Style Historic District |
| Laird, Norton Company Building |
| Lake Bemidji State Park CCC/NYA/Rustic Style Historic Resources |
| Lake Bronson State Park WPA/Rustic Style Historic Resources |
| Lake Carlos State Park WPA/Rustic Style Group Camp |
| Lake Carlos State Park WPA/Rustic Style Historic District |
| Lake City and Rochester Stage Road-Mount Pleasant Section |
| Lake City City Hall |
| Lake County Courthouse and Sheriff's Residence |
| Lakeland Hotel |
| Lake Shetak State Park WPA/Rustic Style Group Camp |
| Lake Shetek State Park WPA/Rustic Style Historic District |
| Lake St. Croix Overlook |
| Lake Street Sash and Door Company |
| Laketown Moravian Brethren's Church |
| Larsmont School |
| Larson, A., & Co. Building |
| Larson, Frank A., House |
| Larson's Hunters Resort |
| LaSalle Apartments |
| Lee, Arthur and Edith, House |
| LeMoine Building |
Data from United States Park Service and Wikidata
