Indiana - Constructed - 1890–1899
| Athenaeum (Das Deutsche Haus) |
| Billie Creek Bridge |
| Blackford County Courthouse |
| Cavanaugh Bridge |
| Chinworth Bridge |
| Debs, Eugene V., House |
| Dennis, David Worth, House |
| Engine House No. 3 |
| Fountain Park Chautauqua |
| Hermitage, The |
| Hinkle-Garton Farmstead |
| Knights of Pythias Building and Theatre |
| Leatherwood Station Bridge |
| Majestic Building |
| Mallon Building |
| Melcher Bridge |
| Porter County Memorial Hall |
| Schaeffer, Michael, House |
| Schrage, Henry and Caroline, House |
| Simpson Memorial United Methodist Church |
| Snow Hill Covered Bridge |
| Whittier, John Greenleaf, School, No. 33 |
| Wilson, Dr Nelson, House |
Data from United States Park Service and Wikidata