Spearfish Fisheries Center (Lawrence County, South Dakota)
Spears House (Faulkner County, Arkansas)
Speedway Terrace Historic District (Shelby County, Tennessee)
Spencer Eakin Farm (Bedford County, Tennessee)
Spencer Historic District (Rowan County, North Carolina)
Spencer Public Library (Owen County, Indiana)
Spencer Rock House (Clark County, Idaho)
Spencerville School Campus (Choctaw County, Oklahoma)
Spring Hope Historic District (Nash County, North Carolina)
Spring Street Freight House (Clark County, Indiana)
Spring--Douglas Historic District (Kane County, Illinois)
Springfield General Hospital (Lane County, Oregon)
Springfield Historic District (Duval County, Florida)
Squire's Rest (Shelby County, Tennessee)
St. Andrew's Episcopal Church (Chelan County, Washington)
St. Cecilia Historic District (St. Louis, Missouri)
St. David's Episcopal Church (Richland Parish, Louisiana)
St. Florian Historic District (Wayne County, Michigan)
St. Helens Downtown Historic District (Columbia County, Oregon)
St. James Apartments (Warren County, Kentucky)
St. James Park Historic District (Los Angeles County, California)
St. Jerome's Catholic Church Complex (Graves County, Kentucky)
St. John's Historic District (Darlington County, South Carolina)
St. John's Lutheran Church and School (Dearborn County, Indiana)
St. Joseph's Catholic Church (Lake County, Montana)
St. Martini Evangelical Lutheran Church (Milwaukee County, Wisconsin)
St. Michael School & Convent (Trego County, Kansas)
St. Paul Avenue Historic District (Shelby County, Tennessee)
St. Paul Historic District (Marion County, Oregon)
St. Paul School Building (Madison County, Arkansas)
St. Paul's Bottoms (Caddo Parish, Louisiana)
St. Peter's AME Zion Church (Craven County, North Carolina)
St. Peter's Episcopal Church (Kenai Peninsula Borough, Alaska)
St. Vincent Villa Historic District (Allen County, Indiana)
Stadium-Seminary Historic District (Pierce County, Washington)
Standley House (Angelina County, Texas)
Stanley C. E. Smith House (Multnomah County, Oregon)
Stark School (Missoula County, Montana)
State Street Historic District (Jennings County, Indiana)
Statesan Historic District (Waukesha County, Wisconsin)
Statham Historic District (Barrow County, Georgia)
Station 13 Minneapolis Fire Department (Hennepin County, Minnesota)
Stebbens Farm (Cuyahoga County, Ohio)
Steele Dunning Historic District (Monroe County, Indiana)
Steffens--Drewa House Complex (Galveston County, Texas)
Sterne--Hoya Historic District (Nacogdoches County, Texas)
Stewart--Hills House (Utah County, Utah)
Stidham United Methodist Church (Tippecanoe County, Indiana)
Stocke--Walter Addition Historic District (Jefferson County, Colorado)
Stone Bungalow (Pinal County, Arizona)
Stone Historic District (Pike County, Kentucky)
Stone School (Washtenaw County, Michigan)
Stone-Penn House (Sullivan County, Tennessee)
Stonewall Mill Village Historic District (Clarke County, Mississippi)
Stonewall Place Historic District (Shelby County, Tennessee)
Storms House (Maricopa County, Arizona)
Stovall-Purcell House (Franklin County, Georgia)
Stoystown Historic District (Somerset County, Pennsylvania)
Strachan House Garage (Glynn County, Georgia)
Strange Powers House (Crawford County, Wisconsin)
Strathmore Place Historic District (Shelby County, Tennessee)
Stratton, Edward B., House (Middlesex County, Massachusetts)
Strehlow Terrace (Douglas County, Nebraska)
Suffolk Historic District (Suffolk, Virginia)
Sullivan Rooming House (Big Horn County, Montana)
Sulphur Springs Park Reserve (Benton County, Arkansas)
Sulphur Well Historic District (Metcalfe County, Kentucky)
Summers Street Historic District (Cobb County, Georgia)
Summit Avenue Historic District (Guilford County, North Carolina)
Summit Hotel (Fayette County, Pennsylvania)
Sun House (Mendocino County, California)
Sunflower Ranger Staiton (Maricopa County, Arizona)
Sunny Side Inn (Martin County, North Carolina)
Sunnyside (Wake County, North Carolina)
Sunset Park Historic District (New Hanover County, North Carolina)
Sunset Park Pavilion (Vanderburgh County, Indiana)
Sunset Terrace Historic District (Buncombe County, North Carolina)
Superintendent's Residence (Yavapai County, Arizona)
Swan Lake Historic District (Tulsa County, Oklahoma)
Swan River Community Hall (Flathead County, Montana)
Swansboro Historic District (Onslow County, North Carolina)
Swedenborgian Church (San Francisco County, California)
Swindall Tourist Inn (Maricopa County, Arizona)
Sycamore Street Historic District (Hancock County, Mississippi)
Sykesville Historic District (Carroll County, Maryland)
T. C. McRae House (Nevada County, Arkansas)
T. J. Bullard House (Ellis County, Texas)
Taft Budge Bungalow (Bear Lake County, Idaho)
Taft House (Jefferson County, New York)
Tall Pines Motor Inn (Carroll County, Arkansas)
Tallulah Falls Depot (Rabun County, Georgia)
Tallulah Falls School (Habersham County, Georgia)
Tampa Heights Historic District (Hillsborough County, Florida)
Taneytown Historic District (Carroll County, Maryland)
Tangipahoa School (Tangipahoa Parish, Louisiana)
Tankersley Rosenwald School (Montgomery County, Alabama)
A historic American Craftsman-style school building built in 1922.
Tarpon Springs Historic District (Pinellas County, Florida)
Tate Gymnasium (Pickens County, Georgia)
Tavern Acres Historic District (Essex County, Massachusetts)
Taylor Boathouse (Jefferson County, New York)
Taylor Farm (Richmond, Virginia)
Taylor Farm (Onslow County, North Carolina)
Taylor's Daughters Historic District (Campbell County, Kentucky)
Tehachapi Railroad Depot (Kern County, California)
Telephone Company Bungalow (Bear Lake County, Idaho)
Temperance Row Historic District (Franklin County, Ohio)
Historic District of homes in what was once the temperance capital of the United States
Temple Historic District (Maricopa County, Arizona)
Temple-Skelton House (Hart County, Georgia)
Templeton Farm Colony (Worcester County, Massachusetts)
Tennessee Highway Patrol Building (Roane County, Tennessee)
Tenth Street Historic District (Dallas County, Texas)
Texas and Pacific Railroad Depot (Fannin County, Texas)
Thane House (Desha County, Arkansas)
The Birches (Kennebec County, Maine)
The Buckingham (Marion County, Indiana)
Theodore Eck House (Deer Lodge County, Montana)
Theophilus Allen House (Santa Clara County, California)
Thierman Apartments (Jefferson County, Kentucky)
Third Street Motor Car Company Building (Campbell County, Kentucky)
Thomas Addition Historic District (Sevier County, Tennessee)
Thomas Alexander Burningham House (Honolulu County, Hawaii)
Thomas and Beulah Shore House (Custer County, Montana)
Thomas Gould Jr., House (Ventura County, California)
Thomas Grant Harbison House (Macon County, North Carolina)
Thomas H. Burke House (Big Horn County, Montana)
Thomas H. Pitts House and Dairy (Fulton County, Georgia)
Thomas Historic District (Jefferson County, Alabama)
Thomas Innes House (Bear Lake County, Idaho)
Thomas J. Gill House (Scotland County, North Carolina)
Thomas J. Walsh Lodge (Flathead County, Montana)
Thomas James Cotton House (Yell County, Arkansas)
Thomas Johnson House (Collin County, Texas)
Thomas Koon House (Allegany County, Maryland)
Thomas L. Blanton House (Taylor County, Texas)
Thomas M. and Alla M. Paterson House (Multnomah County, Oregon)
Thomas Olley House (Lincoln County, Idaho)
Thomas P. Arnold House (Fulton County, Georgia)
Thomas Shiels House (Dallas County, Texas)
Thomas Wadley Raoul House (Buncombe County, North Carolina)
Thomas Walker House (Sharp County, Arkansas)
Thomas--Webster Estate (Plymouth County, Massachusetts)
Thomasville Historic District (Clarke County, Alabama)
A historic district in Thomasville, Alabama.
Thompson, William H., Farmstead (Hartford County, Connecticut)
Thomson Neighborhood District (Clark County, Kentucky)
Thorn House (Mineral County, Montana)
Thorn--Stingley House (Kenai Peninsula Borough, Alaska)
Thornburg Historic District (Allegheny County, Pennsylvania)
Thornton House (Pulaski County, Arkansas)
Threatt Filling Station (Oklahoma County, Oklahoma)
Three-Room House (Latah County, Idaho)
Thunderbird Lodge (Delaware County, Pennsylvania)
Tibbe Historic District (Franklin County, Missouri)
Tilden School for Teaching Health (Denver County, Colorado)
Times Square-42nd Street Subway Station (New York County, New York)
Tindall Heights Historic District (Bibb County, Georgia)
Tinga Nursery (New Hanover County, North Carolina)
Tinlinn Apartments (Genesee County, Michigan)
Tinsman School (Calhoun County, Arkansas)
Tipahato (Frederick County, Maryland)
Titus House (White County, Arkansas)
Todd Historic District (Ashe County, North Carolina)
Toltec Lodge (Yavapai County, Arizona)
Tom Watkins House (White County, Arkansas)
Tomahawk Lake Camp Historic District (Oneida County, Wisconsin)
Tookes House (Leon County, Florida)
Topolovec Farmstead (Carbon County, Utah)
Tousey, Benjamin C., House (Dutchess County, New York)
Town of Potomac (Alexandria, Virginia)
Towns County Jail (Towns County, Georgia)
Townsend Historic District (New Castle County, Delaware)
Toy House (Beauregard Parish, Louisiana)
Tracy City Hall and Jail (San Joaquin County, California)
Tracy Park Historic District (Tulsa County, Oklahoma)
Tranquility Grange No. 344 (Waldo County, Maine)
Tree Streets Historic District (Washington County, Tennessee)