Built 1900

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A. M. McNair House (Darlington County, South Carolina)
A. Nanbu Hotel--Holy's Bakery (Hawaii County, Hawaii)
A. R. Carroll Building (Washington County, Arkansas)
A.B. and Son Hudelson Building (Union County, Oregon)
Adluh Flour (Richland County, South Carolina)
A historic building still in operation
ADMIRAL DEWEY (tugboat) (New York County, New York)
Ag Hill Complex (Centre County, Pennsylvania)
Albright-Knox Art Gallery (Erie County, New York)
Alex and Mary Alice Johnson House (Tooele County, Utah)
Alexander Young Building (Honolulu County, Hawaii)
All Saints' Church (Talbot County, Maryland)
Allegheny Observatory (Allegheny County, Pennsylvania)
Anderson-Elwell House (Washington County, Idaho)
Anna C. Brash House (Jackson County, Mississippi)
Apartment at 1261 Madison Avenue (New York County, New York)
Argyle Flats (Scott County, Iowa)
Arizona Lumber and Timber Company Office (Coconino County, Arizona)
Arkansas City Commercial District (Desha County, Arkansas)
Asheville School (Buncombe County, North Carolina)
Athens County Infirmary (Athens County, Ohio)
Augusta County Courthouse (Staunton, Virginia)
Avery County Courthouse (Avery County, North Carolina)
County Courthouse in Newland, NC
Aztec Main Street Historic District (San Juan County, New Mexico)
Baconton Commercial Historic District (Mitchell County, Georgia)
Bailey and Massingill Store (Lake County, Oregon)
Baker County Courthouse (Baker County, Georgia)
Balfour Dock Building (Pierce County, Washington)
Ballard County Courthouse (Ballard County, Kentucky)
Ballard-Howe House (King County, Washington)
Bancroft Tower (Worcester County, Massachusetts)
Stone monument to honor George Bancroft, 1800-1894, Secretary of the Navy and founder of the U.S.Naval Academy
Bank of Pilot Mountain, (Former) (Surry County, North Carolina)
Barker Dam (Riverside County, California)
Barker House (La Porte County, Indiana)
Barrows, H.F., Manufacturing Company Building (Bristol County, Massachusetts)
Bayou Pierre Bridge (Copiah County, Mississippi)
Through truss bridge over Bayou Pierre on MS 18
Beach, Charles E., House (Hartford County, Connecticut)
Beaver Dam Chamber of Commerce (Dodge County, Wisconsin)
Former Milwaukee Road train station repurposed as the office of the Beaver Dam Chamber of Commerce
Bell Station Store (Clackamas County, Oregon)
Bell Telephone Exchange Building (Philadelphia County, Pennsylvania)
Belle Boyd Burial Site (Columbia County, Wisconsin)
Burial site of (former) Confederate spy, Belle Boyd
Belton Yarn Mill (Bell County, Texas)
Beltonian Theatre (Bell County, Texas)
Bemis Historic District (Madison County, Tennessee)
Benjamin and Jane Cook Farrer House (Salt Lake County, Utah)
Benjamin Young House (Ravalli County, Montana)
Benson County Courthouse (Benson County, North Dakota)
Berry Schools (Floyd County, Georgia)
Beth Eden Chapel (Hancock County, Maine)
Bethel Methodist Episcopal Church (Wells County, Indiana)
Big Four Depot (Crawford County, Ohio)
Big Rocky Fork Bridge (Parke County, Indiana)
Burr arch-truss bridge over Big Rocky Fork Creek on CR 720 S (bypassed)
Bill Chivers House (Custer County, Idaho)
Bishop Funsten House (Ada County, Idaho)
Blanchard Bridge (Traill County, North Dakota)
Bluff Springs Church and School (Stone County, Arkansas)
Blumberg House (Yavapai County, Arizona)
Boulder Valley Grange No. 131 (Boulder County, Colorado)
Braunstein's Building (New Castle County, Delaware)
Bridge 5+92, Northern Central Railway (York County, Pennsylvania)
Broad Exchange Building (New York County, New York)
Broad Street National Bank (Mercer County, New Jersey)
Bryant--Lasater House (Crawford County, Arkansas)
Buffalo High School (Scott County, Iowa)
Building at 108 Green Street (Lafourche Parish, Louisiana)
Burdin House (St. Martin Parish, Louisiana)
Burlington Station (Adams County, Nebraska)
Burlington Traction Company (Chittenden County, Vermont)
Burton--Rosenmeier House (Morrison County, Minnesota)
Busby Theatre (Pittsburg County, Oklahoma)
C. R. Alden Building (Victoria County, Texas)
Calaveras County Bank (Calaveras County, California)
Calhoun County Courthouse (Calhoun County, Alabama)
Calico & Brown General Store (Garrard County, Kentucky)
Calumet Theatre (Houghton County, Michigan)
Calvary Episcopal Church (Carbon County, Montana)
Calvary Presbyterian Church (San Francisco County, California)
Camden Fire Insurance Association (Camden County, New Jersey)
Canty House (Kanawha County, West Virginia)
Cape Nome Roadhouse (Nome Census Area, Alaska)
Carl Trundle Barn (Blount County, Tennessee)
Carnegie Free Library (Allegheny County, Pennsylvania)
Carnegie Library of Steubenville (Jefferson County, Ohio)
Carnegie Public Library (Columbiana County, Ohio)
Carraway House (Pike County, Mississippi)
Casey Jones Wreck Site (Yazoo County, Mississippi)
Cass Scenic Railroad (Pocahontas County, West Virginia)
Castleberry Boarding House (Livingston Parish, Louisiana)
Cathedral Valley Corral (Wayne County, Utah)
Catoctin Creek Bridge (Loudoun County, Virginia)
Center Depot (Middlesex County, Massachusetts)
Central Schoolhouse (District No. 49) (Spokane County, Washington)
Central Technical High School (Onondaga County, New York)
Century Block (Lorain County, Ohio)
Chamber of Commerce Building (Hennepin County, Minnesota)
Chamberlain-Hunt Academy Historic District (Claiborne County, Mississippi)
Chapel on Echo Bay (Pierce County, Washington)
Circa 1900s style sanctuary
Charles Emmor McCormick House (Fulton County, Illinois)
Charles Ford House (Jefferson County, New York)
Charles Hitchcock Hall (Cook County, Illinois)
Charles J. Thompson House (Winnebago County, Iowa)
Charles K. Spaulding House (Yamhill County, Oregon)
Charles Lenont House (St. Louis County, Minnesota)
Charles M. Russell House and Studio (Cascade County, Montana)
Charles Paynton House (Ada County, Idaho)
Charles Ringling House (Sauk County, Wisconsin)
Charleston Commercial Historic District (Franklin County, Arkansas)
Chicago & Northwestern Railway 440 (Langlade County, Wisconsin)
2-8-0 Steam Locomotive
Chico Hot Springs (Park County, Montana)
Chinatown Historic District (Honolulu County, Hawaii)
Chippewa County Bank (Chippewa County, Minnesota)
Christopher Columbus Christie House (Green County, Kentucky)
Church of St. Adrian--Catholic (Nobles County, Minnesota)
Church of St. Kilian (Catholic) (Nobles County, Minnesota)
City Hose Company No. 9 (Buchanan County, Missouri)
Clay County Courthouse (Clay County, Kansas)
Claysville School (Guernsey County, Ohio)
Clearfield School, District #58 (Douglas County, Kansas)
Coal Creek Library (Douglas County, Kansas)
Col. William H. Robinson House (Traill County, North Dakota)
Cold Spring Farm (Fulton County, Pennsylvania)
Cole-Hatcher-Hampton Wholesale Grocers (Muscogee County, Georgia)
College Hill Historic District (Jackson County, Alabama)
College of Wooster (Wayne County, Ohio)
Colonial (Marion County, Indiana)
Colonial Apartments (Marion County, West Virginia)
Columbia Baptist Church (Lorain County, Ohio)
Columbia Southern Hotel (Wasco County, Oregon)
Commercial Hotel, The (Knox County, Nebraska)
Confederate Monument in Owensboro (Daviess County, Kentucky)
Congregational Church of Ada (Norman County, Minnesota)
Conover Building (Montgomery County, Ohio)
Consolidated Gold Mines (Lumpkin County, Georgia)
Coral Gables House (Miami-Dade County, Florida)
Corpus Christi R.C. Church Complex (Erie County, New York)
Cranch School (Norfolk County, Massachusetts)
Cumberland Historic District (Marion County, Indiana)
Currier House (Scott County, Iowa)
Cypress Avenue East Historic District (Queens County, New York)
Czecho Slovakian Association Hall (Johnson County, Iowa)
Daniel Webster Memorial (Washington, District of Columbia)
David H. Miller Tobacco Warehouse (Lancaster County, Pennsylvania)
David L. Brown House (Attala County, Mississippi)
Davidson House (Caddo Parish, Louisiana)
DeRidder Commercial Historic District (Beauregard Parish, Louisiana)
Desha County Courthouse (Desha County, Arkansas)
Detwiler House (Yavapai County, Arizona)
Dewey Hotel (Washington County, Oklahoma)
Diamond Silk Mill (York County, Pennsylvania)
Dickinson Estate Historic District (Windham County, Vermont)
Dietrich-Bowen House (Marshall County, Indiana)
District School 4 (Chenango County, New York)
Division No. 9 School (York County, Maine)
Dorilton (New York County, New York)
Dorland Memorial Presbyterian Church (Madison County, North Carolina)
Dougherty Auditorium (Ray County, Missouri)
Douglas Residential Historic District (Cochise County, Arizona)
Downtown Richwood Historic District (Nicholas County, West Virginia)
Dr. Beauregard Martin Brooks House (Decatur County, Tennessee)
Dr. E. B. Pickel Rental House (Jackson County, Oregon)
Dr. James O. Matthews Office (Sampson County, North Carolina)
Dr. M.T. Pope House (Wake County, North Carolina)
Dr. W. C. Wightman House (Wayne County, Nebraska)
E. C. Adams House (Codington County, South Dakota)
Eagle Cliff Hotel (Ashtabula County, Ohio)
East Side Downtown Historic District (Bannock County, Idaho)
Edward French House (Wasco County, Oregon)
EDWARD M. COTTER (fireboat) (Erie County, New York)
Edward Wyman School (St. Louis, Missouri)
Eighth Precinct Police Station (Wayne County, Michigan)
Eleanor Sherman House (Polk County, Oregon)
Eleventh Street Historic District (Bonneville County, Idaho)
Elizabeth Historic District (Mecklenburg County, North Carolina)
Elizabeth Park (Hartford County, Connecticut)
Elrose (Lafayette Parish, Louisiana)
Emil Ketterer House (Gallatin County, Montana)