Indiana - Criteria: A (event)
| Abbott-Holloway Farm |
| Adams County Courthouse |
| Adams Mill |
| Adams Mill Covered Bridge |
| Adams, Ora, House |
| Ade, George, House |
| Aikens, David, House |
| Alameda |
| Albion Courthouse Square Historic District |
| Alexandra |
| Alhambra Theatorium |
| Allen Chapel African Methodist Episcopal Church |
| Allen, Lemuel, Farm |
| Ambassador |
| American House Hotel |
| American Sheet and Tin Mill Apartment Building |
| Ames Family Homestead |
| Amo THI & E Interurban Depot/Substation |
| Anderson Bank Building |
| Anderson Downtown Historic District |
| Anderson High School Wigwam |
| Angola Commercial Historic District |
| Aqueduct Bridge |
| Argos Downtown Historic District |
| Argos Izaak Walton League Historic District |
| Arnold, Dr. John, Farm |
| Askren, Thomas, House |
| Aston Inn |
| Athenaeum (Das Deutsche Haus) |
| Atkinson, Josephus, Farm |
| Attica Downtown Historic District |
| Attica Main Street Historic District |
| Attucks, Crispus, High School |
| Auburn Community Mausoleum |
| Auburn Cord Duesenberg Automobile Facility |
| Aurora City Hall |
| Aurora Public Library |
| Auto Hotel Building |
| "B-17G ""Flying Fortress"" No. 44-83690" |
| Bailey, Louis J., Branch Library-Gary International Institute |
| Baker |
| Baldwin Addition Historic District |
| Barnett-Seawright-Wilson House |
| Bartholomew County Courthouse |
| Bartlett Real Estate Office |
| Battell Park Historic District |
| Battle Ground Historic District |
| Baugo Township Gymnasium |
| Baum-Shaeffer Farm |
| Beard-Kerr Farm |
| Beardsley Avenue Historic District |
| Beatty-Trimpe Farm |
| Beck's Mill |
| Beck's Mill Bridge |
| Bedford Courthouse Square Historic District |
| Beeson Bridge |
| Bentel, George, House |
| Benton County Courthouse |
| Benville Bridge |
| Bergan, W.N.-J.C. Lauber Co. Building |
| Bethel African Methodist Episcopal Church |
| Bethel A. M. E. Church |
| Bethel A.M.E. Church |
| Bethel AME Church of Crawfordsville |
| Bethel Church and Graveyard |
| Beverly Shores-Century of Progress Architectural District |
| Beverly Shores South Shore Railroad Station |
| Big Four Depot |
| Big Rocky Fork Bridge |
| Billie Creek Bridge |
| Bingham, Joseph J., Indianapolis Public School #84 |
| Birdsall, Mary, House |
| Blacherne |
| Blackford County Courthouse |
| Blackstone House and Martinsville Telephone Company Building |
| Blackstone-State Theater |
| Bloch, Conrad and Catherine, House |
| Bloomington City Hall |
| Bloomington West Side Historic District |
| Blue Bell Inc., Factory Building |
| Blume, Martin, Jr., Farm |
| Bonneyville Mills |
| Boonville Public Square Historic District |
| Bottorff-McCulloch Farm |
| Bowsher Ford Bridge |
| Boxley, George, Cabin |
| Boyce Block |
| Bradford Estate |
| Brady Street Historic District |
| Braxtan, Thomas Newby, House |
| Brazil Downtown Historic District |
| Bremen Water Tower |
| Brendonwood Historic District |
| Brick Chapel United Methodist Church |
| Bridge Street Bridge |
| Bridgeton Bridge |
| Bridgeton Historic District |
| Brier, Andrew, House |
| Bristol-Washington Township School |
| Broad Ripple Firehouse-Indianapolis Fire Department Station 32 |
Data from United States Park Service and Wikidata
