Indiana - Significance region: National
| Pyramid Mound (12k14) |
| Riley, James Whitcomb, House |
| Riley, James Whitcomb, House |
| Riverside Historic District |
| Roseville Bridge |
| Rush Creek Bridge |
| Scholle, Mattias, House |
| Shrewsbury, Charles L., House |
| Sim Smith Bridge |
| Smith Field |
| Spencer Park Dentzel Carousel |
| SS CLIPPER |
| State Sanitorium Bridge |
| Steele, Theodore Clement, House and Studio |
| Swan's Landing Archeological Site (12HR304) |
| Territorial Capitol of Former Indiana Territory |
| The Republic |
| Thorpe Ford Bridge |
| Tippecanoe Battlefield |
| Tippecanoe Place |
| University of Notre Dame: Main and South Quadrangles |
| U.S. Arsenal (Arsenal Technical High School) |
| USS LST 325 (tank landing ship) |
| Vernon Historic District |
| Vincennes Historic District |
| Vinegar Hill Historic District |
| Walker, Madame C. J., Building |
| Wallace Circus and American Circus Corporation Winter Quarters |
| Wallace, Gen. Lew, Study |
| Webster, George, Jr. and Marie Daugherty, House |
| West Baden Springs Hotel |
| West Union Bridge |
| Whitewater Canal Historic District |
| Wilkins Mill Bridge |
| Willkie, Wendell Lewis, House |
| Wilson, Woodrow, Junior High School |
| Yankeetown Archeological Site |
| Zacke Cox Bridge |
Data from United States Park Service and Wikidata
