Massachusetts - Criteria: A (event)
| Athol High School |
| Attleborough Falls Gasholder Building |
| Attleborough Falls Historic District |
| Auburndale Congregational Church |
| Aurora Hotel |
| Avant House |
| Ayer Main Street Historic District |
| Ayer, Thomas, House |
| Babson-Alling House |
| Back Bay Historic District |
| Bacon-Morse Historic District |
| Badger, Rev. Stephen, House |
| Bailey, Timothy P., House |
| Bainbridge, Randolph, House |
| Baker, Benjamin, Jr., House |
| Baker, Capt. Seth, Jr., House |
| Baker, Charles, House |
| Baker, Charles, Property |
| Baker Congregational Church |
| Baker, Peter, Three-Decker |
| Baker, Sarah J., School |
| Baker's Island Light Station |
| Baldwinville Village Historic District |
| Ballardvale District |
| Bancroft Hotel |
| Bancroft Memorial Library |
| Bangs Block |
| Baptist Society Meeting House |
| Bardwell's Ferry Bridge |
| Barker, George A., House |
| Barker, Henry F., House |
| Barlin Acres |
| Barnard Block |
| Barnard Mills |
| Barnard, Parson, House |
| Barneyville Historic District |
| Barn House |
| Barnicoat, S. H., Monuments |
| Barnstable County Courthouse |
| Barnum School |
| Barrett, Col. James, Farm |
| Barrett, P. J., Block |
| Barrows, H.F., Manufacturing Company Building |
| Bartlett's Bridge |
| Bassett, C.J.H., House |
| Batchelder, Nathaniel, House |
| Bateman, William R., House |
| Battelle, Marion, Three-Decker |
| Baxter-King House |
| Baxter Mill |
| Baxter Street Historic District |
| Bay Road |
| Beach-Knapp District |
| Beaconsfield Terraces Historic District |
| Beacon Street Firehouse |
| Beacon Street Historic District |
| Beacon Street Tomb |
| Beacon, The |
| Beaman Memorial Public Library |
| Beard, Josiah, House |
| Beauport |
| Beaver Mill |
| Beaver Street Historic District |
| Becket Center Historic District |
| Bedford Depot |
| Bedford Veterans Administration Hospital Historic District |
| Beebe Homestead |
| Beechwood |
| Belchertown Center Historic District |
| Belchertown State School |
| Belle and Franklin Streets Historic District |
| Bellingham Square Historic District |
| Bell Rock Memorial Park |
| Bellvue Cemetery |
| Belmont Railroad Station |
| Belvidere Hill Historic District |
| Bemis Mill |
| Bend of the Lane |
| Benedict Fenwick School |
| Benjamin Silverman Apartments |
| Bennett-Shattuck House |
| Bennington Street Burying Ground |
| Bennink-Douglas Cottages |
| Benson's New Block and the Mohawk Chambers |
| Bent, G.H., Company Factory |
| Bentley, George, House |
| Berger Factory |
| Berkley Common Historic District |
| Berkshie Mill No. 1 |
| Berkshire Life Insurance Company Building |
| Berlin Town Hall |
| Bernardston Congregational Unitarian Church |
| Bertram Hall at Radcliffe College |
| Beth Eden Baptist Church |
| Bethel African Methodist Episcopal Church and Parsonage |
| Beth Israel Synagogue |
| Beverly Center Business District |
| Beverly Depot |
| Beverly Depot-Odell Park Historic District |
| Bicycle Club Building |
Data from United States Park Service and Wikidata
