Massachusetts - Area of significance: Social History
| Adams-Nervine Asylum |
| Adams, Seth, House |
| African Meetinghouse |
| Ahern, Catherine, Three-Decker |
| Aldrich, Nathan C., House and Resthaven Chapel |
| Allen, Nathaniel Topliff, Homestead |
| Allston Congregational Church |
| Almshouse |
| Almshouse |
| American Woolen Mill Housing District |
| Anderson, Ludwig, Three-Decker |
| Anthony House |
| Arden |
| Arlington Mills Historic District |
| Armory Block |
| Armstrong House |
| Asbury Grove Historic District |
| Auburndale Congregational Church |
| Back Bay Historic District |
| Badger, Rev. Stephen, House |
| Baker, Benjamin, Jr., House |
| Baker Congregational Church |
| Baker, Peter, Three-Decker |
| Baldwin, Maria, House |
| Baldwinville Village Historic District |
| Bancroft, Samuel, House |
| Barton, Clara, Homestead |
| Battelle, Marion, Three-Decker |
| Beaver Street Historic District |
| Becket Center Historic District |
| Belcher, Jonathan, House |
| Belcher-Rowe House |
| Belchertown Center Historic District |
| Belchertown State School |
| Bellvue Cemetery |
| Bennington Street Burying Ground |
| Benson's New Block and the Mohawk Chambers |
| Berlin Town Hall |
| Bernardston Congregational Unitarian Church |
| Bethel African Methodist Episcopal Church and Parsonage |
| Beverly Depot |
| Beverly Powder House |
| Bigelow, Henry, House |
| Bigelow Tavern Historic District |
| Blodgett, Lydia, Three-Decker |
| Boston African American National Historic Site |
| Boston Public Library |
| Boston Young Men's Christian Association |
| Boston Young Men's Christian Union |
| Bostrom, Eric, Three-Decker |
| Bournedale Village School |
| Bourne, Jonathan, Public Library |
| Bourne Town Hall |
| Bousquet, Henry, Three-Decker |
| Bowditch, William Ingersoll, House |
| Bradford Burial Ground |
| Bradford House |
| Brandeis, Louis, House |
| Brandeis University President's House |
| Brattle Hall |
| Brattle, William, House |
| Brayton Homestead |
| Bridge Road Cemetery |
| Brigham Cemetery |
| Brighton Evangelical Congregational Church |
| Brook Farm |
| Brookfield Cemetery |
| Brooks, John, House |
| Browne-Masonic Building |
| Buckingham, John, House |
| Building at 1-6 Walnut Terrace |
| Burnham-Patch House |
| Burt, Elijah, House |
| Cable, Benjamin Stickney, Memorial Hospital |
| Caledonia Building |
| Calef, Dr. John, House |
| Calhoun, Apartments, The |
| Cambridge Grant Historic District |
| Cambridge Public Library |
| Camp Atwater |
| Camp Kiwanee Historic District |
| Canton Corner Historic District |
| Cardinal Cushing Center Historic District |
| Carlson, Eric, Three-Decker |
| Caryl, Benjamin, House |
| Cataumet Schoolhouse |
| Cathedral of St. George Historic District |
| Center Cemetery |
| Center Cemetery |
| Central Churchill Historic District |
| Central Fire Station |
| Centre and Montello Streets Historic District |
| Charles River Basin Historic District |
| Charles Street African Methodist Episcopal Church |
| Charlotte Street-Esmond Street Historic District |
| Chase Library |
| Chelsea Garden Cemetery |
| Church Street Historic District |
| Claflin, Adams, House |
| Claflin-Richards House |
Data from United States Park Service and Wikidata
