All - Constructed - 1930–1939
| Hanson, Alden, House |
| Happy Four Shelter |
| Hard Labor Creek State Park |
| Harney Peak Lookout Tower, Dam, Pumphouse and Stairway |
| Harrison's Guest House |
| Hartsville Community Center-Hartsville Community Market |
| Hartsville Post Office |
| Harvey Power Plant |
| Haskell County Courthouse |
| Hawkins Hall |
| Hazen, Allen, Water Tower |
| Heath, Sheldon, House |
| Hecht Company Warehouse |
| Heliograph Lookout Complex |
| Henrietta-Caroleen High School |
| Herbster Community Center |
| Hermann Park Municipal Golf Clubhouse |
| Herman's, Roy T., Garage and Service Station |
| Hester Store |
| Hewlett-Packard House and Garage |
| Hibbing Disposal Plant |
| Hidden Lake Peak Lookout |
| Higgins Armory Museum |
| High Bridge Shelter |
| Highfields |
| Highlands Hammock State Park and Florida Botanical Gardens and Arboretum |
| Hi Jolly Monument |
| Hill, A. P., House |
| Hinckley High School Gymnasium |
| Hinds County Courthouse |
| Hiram Colored School |
| Historic Trail and Cave Entrance |
| Hjerpe Grocery |
| Hockett Meadow Ranger Station |
| Hodgenville Women's Club |
| Holdenville Armory |
| Holden, William Curry and Olive Price, House |
| Hollis City Hall and Jail |
| Holly Knoll |
| Hollywood Theater |
| Holton Bath House |
| Home Economics/Commons Building |
| Homestead National Monument of America |
| Hoots Milling Company Roller Mill |
| Hoover Dam |
| Hoover Hotel |
| Hoover, James Stephen and Borland, Elizabeth, Memorial Chapel |
| Hoquiam Olympic Stadium |
| Horse Creek Bridge |
| Horseshoe Lake Ranger Station |
| Horton Mill Covered Bridge |
| Hospital |
| Hotel Belleville |
| Hotel Roberts |
| Hotel Vinita |
| Houston City Hall |
| Hoyt, Frank W., Park |
| Huckleberry Creek Patrol Cabin |
| Huckleberry Fire Outlook |
| Huckleberry Mountain Fire Lookout |
| Hudson, Sim, Motor Company |
| Huetter, Alfred and Hennie, House |
| Hughes Conoco Service Station |
| Hund School |
| Hungry Mother State Park Historic District |
| Hunt's Tomb |
| Huron Harbor Light |
| Hyde Memorial State Park |
| Hyde Mountain Lookout House |
| Idaho State University Administration Building |
| Immaculate Heart of Mary Church |
| Independence Mines |
| Indiana State Library and Historical Building |
| Indian Mountain Fire Lookout |
| Innisfree |
| Insurance Company of North America Building |
| Iowa Lakeside Laboratory Historic District |
| Ipsut Creek Patrol Cabin |
| Ivanov-Rinov House |
| Jackson Conoco Service Station |
| Jackson County High School |
| Jackson County Monument |
| Jacob Lake Lookout Tower |
| Jacobs Stand |
| Jaeger Machine Company Office Building |
| Japanese Lighthouse |
| Japanese YWCA |
| Jay, Allen, School Rock Gymnasium |
| JEAN (steamboat) |
| Jefferson Avenue-Huron River and Harbin Drive-Silver Creek Canal Bridges |
| Jefferson County Courthouse |
| Jefferson Street Viaduct |
| Jensen, Arendt, Jr., House |
| Jerman House |
| Jerome Street Bridge |
| Jewel Box |
| Jewell County Courthouse |
| Jewish Center of Coney Island, The |
| John Day Compound, Supervisor's Warehouse |
| Johnson, Andrew, Hotel |
Data from United States Park Service and Wikidata
