Louisiana - Area of significance: Exploration/Settlement
| Autrey House |
| Bernard, Joseph D., House |
| Briarwood |
| Britt Place |
| Broussard, Valsin, House |
| Burleigh House |
| Cabildo, The |
| Cedars Plantation |
| Dubach, Fred B., House |
| East Main Street Historic District |
| Fenton, Silas J., House |
| Fort De La Boulaye Site |
| Fort Jesup |
| Fort St. Philip |
| Greensburg Land Office |
| Holly Grove Methodist Church |
| Hunt, John S., and Martha McGill Stewart, House |
| Logtown Plantation |
| Los Adaes |
| Midland Branch Railroad Depot |
| Natchitoches Historic District |
| Rapides Cemetery |
| Saux, Jean Marie, Building |
| Smart, Edmond Ellison, House |
| St. Francis Chapel |
| St. John Baptist Church |
| St. Martinville Historic District |
| Stoker House |
| Townsend House |
| Vicksburg, Shreveport, and Pacific Railroad Depot |
| Walnut Grove |
| Welcek Farmstead |
| Wilder House |
Data from United States Park Service and Wikidata
