10th and Cass Streets Neighborhood Historic District (La Crosse County, Wisconsin)
Eclectic collection of 31 homes in La Crosse
1907 House (Jefferson Davis County, Mississippi)
A La Bonne Veillee (Vermilion Parish, Louisiana)
A. C. Freeman House (Charlotte County, Florida)
A. H. Lahlum House (Bosque County, Texas)
A. J. Dean House (Flathead County, Montana)
A. V. Peters House (Lane County, Oregon)
A.M. Lamb House (Hillsborough County, Florida)
Abner Phelps House (San Francisco County, California)
Gothic Revival house built in 1850
Academy Hall (Erie County, Pennsylvania)
Academy Hill Historic District (Essex County, Massachusetts)
Acadian Historic Buildings (Aroostook County, Maine)
Acklin Store (Grant County, New Mexico)
Acting Superintendent's Headquarters (Mariposa County, California)
Adam and Mary Smith House (Dane County, Wisconsin)
Brick, Italianate style home built by a prominent citizen
Adam Ponthieu Store--Big Bend Post Office (Avoyelles Parish, Louisiana)
Adams, John E., House (Providence County, Rhode Island)
Adams--Crocker--Fish House (Barnstable County, Massachusetts)
Adoniram Masonic Lodge (Granville County, North Carolina)
AFRICAN QUEEN (Monroe County, Florida)
Agawam Diner (Essex County, Massachusetts)
Aiken Winter Colony Historic District II (Aiken County, South Carolina)
Aillet House (West Baton Rouge Parish, Louisiana)
Aircraft Warning Service Observation Tower (Clallam County, Washington)
Airway Radio Station (Gallatin County, Montana)
Al Mac's Diner--Restaurant (Bristol County, Massachusetts)
Alamo Ranchhouse (Washoe County, Nevada)
Alaska Totems (Ketchikan Gateway Borough, Alaska)
Albany Municipal Airport (Linn County, Oregon)
Alberry Wasson Homeplace (Claiborne Parish, Louisiana)
Albert and Kate Leinhardt House (DeWitt County, Texas)
Albin B. Swindell House and Store (Hyde County, North Carolina)
Aldrich-Genella House (Orleans Parish, Louisiana)
Aldworth Manor (Cheshire County, New Hampshire)
Alexander Clark House (Muscatine County, Iowa)
Alexander Young Cabin (Washington County, Iowa)
Alexander-Cannon-Hill House (Oconee County, South Carolina)
Alfred Williams House (Shiawassee County, Michigan)
Alice (Iberia Parish, Louisiana)
Alkali Flat Central Historic District (Sacramento County, California)
All Saints Episcopal Church (Calcasieu Parish, Louisiana)
Allan Herschell 3-Abreast Carousel (Santa Barbara County, California)
Allen House (De Soto Parish, Louisiana)
Allen House (Alamance County, North Carolina)
Allen's Cider Mill (Hartford County, Connecticut)
Allen-Barringer House (Ouachita Parish, Louisiana)
Allendale Plantation Historic District (West Baton Rouge Parish, Louisiana)
Allison-Robinson House (Owen County, Indiana)
Allsop--Jensen House (Salt Lake County, Utah)
Alphonse T. Sengele House (Victoria County, Texas)
Altwood (Marengo County, Alabama)
A historic plantation house located near Faunsdale, Alabama.
Amant Broussard House (Iberia Parish, Louisiana)
Amelia Cottage Museum (Suffolk County, New York)
Ammon Underwood House (Brazoria County, Texas)
Anderson Island School (Pierce County, Washington)
Anderson, Brady and Waldermar Ager House (Eau Claire County, Wisconsin)
Andreas Breustedt House (Comal County, Texas)
Andrew-Ryan House (Dubuque County, Iowa)
Andrews Memorial Chapel (Pinellas County, Florida)
Andrews, Joseph, House (Middlesex County, Massachusetts)
Angels Flight Railway (Los Angeles County, California)
Funicular railroad up Bunker Hill
Angulo--Hostetter House (Maricopa County, Arizona)
Anthony Reckless Estate (Monmouth County, New Jersey)
Antigo Public Library and Deleglise Cabin (Langlade County, Wisconsin)
Antioch Christian Church (Clay County, Missouri)
Anton Schmitt House (St. Louis, Missouri)
Antonio Maria Peralta House (Alameda County, California)
Antwerp Norfolk and Western Depot (Paulding County, Ohio)
Arkansas 7/51 Bridge (Clark County, Arkansas)
Through truss bridge over Ouachita River at Arkadelphia carrying AR 7, AR 8, and AR 51
Arkansas Ordnance Plant Guard House (Pulaski County, Arkansas)
Armitage (Terrebonne Parish, Louisiana)
Armitage Bridge (Lane County, Oregon)
Arna Wendell Bontemps House (Rapides Parish, Louisiana)
Arnold-Simonton House (Montgomery County, Texas)
Arnwine Cabin (Anderson County, Tennessee)
Arthur J. Jones House (Pulaski County, Arkansas)
Asbury House (Putnam County, West Virginia)
Ash Mountain Entrance Sign (Tulare County, California)
Ash Park Historic District (Linn County, Iowa)
Ashe Cottage (Marengo County, Alabama)
A historic Carpenter Gothic house in Demopolis, Alabama.
Asher W. Bizzell House (Sampson County, North Carolina)
Ashland Depot Hotel, South Wing (Jackson County, Oregon)
Ashokan--Turnwood Covered Bridge (Ulster County, New York)
Over Esopus Creek on the grounds of the Ashokan Center
Ashtabula (Anderson County, South Carolina)
Historic plantation home near Pendleton, SC
Ashville Depot (Pickaway County, Ohio)
Athens Historic District (Fayette County, Kentucky)
Atkinson Memorial Presbyterian Church (St. Mary Parish, Louisiana)
Attoway R. Davis Home (Greene County, Alabama)
A historic house in Eutaw, Alabama.
Audenried Cottage (Monmouth County, New Jersey)
August Bloedner Monument (Jefferson County, Kentucky)
Avant House (Barnstable County, Massachusetts)
Avery--Helm Historic District (Benton County, Oregon)
AVR 661 (Cook County, Illinois)
Aircraft Rescue Vessel "crash boat"
Aynesworth-Wright House (Travis County, Texas)
Badgley House and Site (Union County, New Jersey)
Bagatelle Plantation House (Iberville Parish, Louisiana)
Bagby Stationhouse, Water Tanks and Turntable (Mariposa County, California)
Wooden turntable and station house from the defunct Yosemite Valley RR.
Bagley Memorial Fountain (Wayne County, Michigan)
Bailey Colony Farm (Matanuska-Susitna Borough, Alaska)
Bailey's Store (Charleston County, South Carolina)
Baird Law Office (Brown County, Wisconsin)
A wood frame, Temple-style house of the Greek Revival period
Baldwin, Loammi, Mansion (Middlesex County, Massachusetts)
Balie P. Waggener House (Atchison County, Kansas)
Bannerman House (Pender County, North Carolina)
Bantam Ridge School (Jefferson County, Ohio)
Baptist Church (Washington County, Idaho)
Baptist Society Meeting House (Middlesex County, Massachusetts)
Barbara Greenwood Kindergarten (Los Angeles County, California)
Bardwell-Ferrant House (Hennepin County, Minnesota)
Barge's Tavern (Cumberland County, North Carolina)
Barker House (Chowan County, North Carolina)
BARNEGAT (lightship) (Philadelphia County, Pennsylvania)
Barthel Pigeonnier (East Baton Rouge Parish, Louisiana)
Bartlett, Daniel and Esther, House (Fairfield County, Connecticut)
Bassett House (Durham County, North Carolina)
Batchellerville Presbyterian Church (Saratoga County, New York)
Battle Ground Historic District (Tippecanoe County, Indiana)
Two towns developed around the Tippecanoe Battlefield and eventually merged into Battle Ground, Indiana
Bauman Hall (Pipestone County, Minnesota)
Baxter House (Cumberland County, Maine)
Baxter Ranch Headquarters Buildings (Laramie County, Wyoming)
Bayou Boeuf Elementary School (Lafourche Parish, Louisiana)
Bayou Pierre Bridge (Copiah County, Mississippi)
Through truss bridge over Bayou Pierre on MS 18
Bayview Hotel (Santa Cruz County, California)
Beacon, The (Barnstable County, Massachusetts)
Beall's Pleasure (Prince George's County, Maryland)
Beardsley--Mix House (Hartford County, Connecticut)
Beck, Samuel, House (Rockingham County, New Hampshire)
Beck--Warren House (Middlesex County, Massachusetts)
Bedford Depot (Middlesex County, Massachusetts)
Beebe Windmill (Suffolk County, New York)
Beer's Bridge (Essex County, New York)
Behrens-Rapp Service Station (Black Hawk County, Iowa)
Belden-Horne House (Cumberland County, North Carolina)
Belfast Railroad Depot (Marshall County, Tennessee)
Bellemonte (Nash County, North Carolina)
Bellevue (Leon County, Florida)
Belvidere (Adams County, Mississippi)
Bemont, Makens, House (Hartford County, Connecticut)
An historic house museum located in Martin Park, East Hartford.
Ben F. Carr Jr., House (Fulton County, Kentucky)
Benjamin and Hilarita Lyford House (Marin County, California)
Benjamin and Mary Young House (Lake County, Ohio)
Benjamin Church House (Milwaukee County, Wisconsin)
Greek Revival Home built in Kilbourntown and moved to Estabrook Park in 1938 for preservation.
Benjamin Cornelius Jr., House (Washington County, Oregon)
Benjamin Cushway House (Saginaw County, Michigan)
Benjamin Franklin Dorris House (Lane County, Oregon)
Benjamin Hanby House (Franklin County, Ohio)
Benjamin W. Best House (Greene County, North Carolina)
Berdahl-Rolvaag House (Minnehaha County, South Dakota)
Berger--Kiel House (St. Clair County, Illinois)
Bernard Pitzer Smith House (Douglas County, Oregon)
Bernardston Congregational Unitarian Church (Franklin County, Massachusetts)
Bert Leedy Round Barn (Fulton County, Indiana)
Berwick Manor and Orchard (Monterey County, California)
Berylwood (Ventura County, California)
Bethany Lutheran Church (Toole County, Montana)
Betsy Mo-John Cabin (Ottawa County, Ohio)
Beverly Grammar School (Essex County, Massachusetts)
Big Duck, The (Suffolk County, New York)
Big Four Depot (Tippecanoe County, Indiana)
Relocated to a plaza as part of a major rail relocation project, now serves Amtrak
Big Horn Hotel (Natrona County, Wyoming)
Big John Hart House (Yazoo County, Mississippi)
Bigelow, Henry, House (Middlesex County, Massachusetts)
Bishop B. Blackwell House (Suwannee County, Florida)
Bishop Funsten House (Ada County, Idaho)
Bispham-Wilson Historic District (Sarasota County, Florida)
Black Oak School (Winnebago County, Wisconsin)
One of seven remaining rural schools that were once scattered throughout Winnebago County
Blackberry Hill (Polk County, North Carolina)
Blake, James, House (Suffolk County, Massachusetts)
Blawenburg Historic District (Somerset County, New Jersey)
Blenheim (Albemarle County, Virginia)
Block Island South East Light (Washington County, Rhode Island)
Blue Moon Diner (Worcester County, Massachusetts)
Worcester Lunch Car Co. diner #815
Blue Mountain School (Clallam County, Washington)
Bluff Dale Suspension Bridge (Erath County, Texas)
Cable-stayed bridge over Puluxy River on CR 149 (Berry's Creek Road)
Boardman, John, House (Essex County, Massachusetts)
Boca Grande Quarantine Station (Lee County, Florida)
Bodie Island Lifesaving/Coast Guard Station (Dare County, North Carolina)
Boggan-Hammond House and Alexander Little Wing (Anson County, North Carolina)
Bones Brothers Ranch (Rosebud County, Montana)
Bonner-Sharp-Gunn House (Carroll County, Georgia)
Boone-Murphy House (Jefferson County, Arkansas)
Boscobel (Putnam County, New York)
Botsford Inn (Oakland County, Michigan)
Bottum Farm (Addison County, Vermont)
Boulder Creek Bridge (Maricopa County, Arizona)
Boush-Tazewell House (Norfolk, Virginia)
Bowditch, Nathaniel, House (Essex County, Massachusetts)
Bowie Railroad Buildings (Prince George's County, Maryland)
Boy Scout Troop #1 Log Cabin (St. Mary Parish, Louisiana)
Boyce Station (Allegheny County, Pennsylvania)
Boyd's Windmill (Newport County, Rhode Island)
A restored and operational wind grist mill located in Paradise Park, Middletown.
Bradley House (Midland County, Michigan)
Brasstown Cottage (Rock County, Wisconsin)
Bremo Slave Chapel (Fluvanna County, Virginia)
Brewer Bridge (Cherry County, Nebraska)
Brewer, Moses, House (Middlesex County, Massachusetts)