New Hampshire - Criteria: A (event)
| 2 1/2 Beacon Street |
| Abenaki Indian Shop and Camp |
| Acre (The) |
| Acworth Congregational Church |
| Acworth Silsby Library |
| Adams Farm |
| Adams, John, Homestead-Wellscroft |
| Aldrich, Benjamin, Homestead |
| Aldworth Manor |
| Allenstown Meeting House |
| Alton Bay Railroad Station |
| Amherst Village Historic District |
| Amory-Appel Cottage |
| Amory Ballroom |
| Amory House |
| Appleton Farm |
| Appleton-Hannaford House |
| Armstrong Memorial Building |
| Asbury United Methodist Church |
| Ashland Railroad Station |
| Ashland Town Hall |
| Ash Street School |
| Ashuelot Covered Bridge |
| Athens Building |
| Atkinson Academy School |
| Ballou-Newbegin House |
| Balsams, The |
| Bancroft, Timothy, House |
| Bartlett-Cushman House |
| Bartlett Roundhouse |
| Bath Covered Bridge |
| Beach Club, The |
| Beal, Persia, House |
| Bear Brook State Park Civilian Conservation Corps (CCC) Camp Historic District |
| Beaver Mills |
| Bedell Covered Bridge |
| Bedford Presbyterian Church |
| Bedford Town Hall |
| Beech Hill |
| Beech Hill Summer Home District |
| Beede Farm |
| Belknap-Sulloway Mill |
| Bement Covered Bridge |
| Bemis, Elbridge G., House |
| Bemis, George, House |
| Benedict House |
| Bennett Farm |
| Bennington Village Historic District |
| Blossom Hill and Calvary Cemeteries |
| Blow-Me-Down Covered Bridge |
| Blow-Me-Down Grange |
| Bolduc Block |
| Boscawen Academy and Much-I-Do-Hose House |
| Brackett House |
| Bradford Town Hall |
| Brick Schoolhouse |
| Brick Store |
| Bristol Town Hall |
| Brookfield Town Hall |
| Buckminster-Kingsbury Farm |
| Building at 418-420 Notre Dame Ave. |
| Burgess, George E., School-Notre Dame High School |
| Burleigh Brae and Webster Boathouse |
| Burpee Farm |
| Busiel-Seeburg Mill |
| Cabot, Louis, House |
| Cabot, T.H., Cottage |
| Camp Carnes |
| Camp Ossipee |
| Canaan Chapel |
| Canaan Street Historic District |
| Canterbury Shaker Village |
| Carleton Bridge |
| Carroll County Court House |
| Centennial Hall |
| Center Meetinghouse |
| Central Business District |
| Central Square Historic District |
| Chamberlin House |
| Chase, Amos, House and Mill |
| Chesham Village District |
| Cheshire County Courthouse |
| Chester Village Cemetery |
| Chocorua Island Chapel |
| Chocorua Lake Basin Historic District |
| Citizens' Hall |
| Claremont City Hall |
| Cocheco Mills |
| Colburn Park Historic District |
| Colony's Block |
| Columbia Covered Bridge |
| Concord Civic District |
| Concord Historic District |
| Congregational Church |
| Contoocook Mills Industrial District |
| Contoocook Railroad Depot |
| Conway Public Library |
| Cook Memorial Library |
| Coombs Covered Bridge |
| Corey Farm |
Data from United States Park Service and Wikidata