Stone

Lower Pleasant Street District (Worcester County, Massachusetts)
Lower Price Hill Historic District (Hamilton County, Ohio)
Lower Rattlesnake Historic District (Missoula County, Montana)
Lower Road Bridge (Jones County, Iowa)
King Bridge Company, 2-Span, Bowstring Truss Bridge
Lower Roxbury Historic District (Suffolk County, Massachusetts)
Lower Shavertown Covered Bridge 32-13-07 (Delaware County, New York)
Authentic covered bridge that was moved here in 1954
Lower Swedish Cabin (Delaware County, Pennsylvania)
Lowertown Historic District (Niagara County, New York)
Lowler's Tavern (Champaign County, Ohio)
Lowry Ruin (Montezuma County, Colorado)
Lowville Presbyterian Church (Lewis County, New York)
Loy Kirksey House (Clark County, Arkansas)
Loys Station Covered Bridge (Frederick County, Maryland)
Lt. Richard Hathorn House (Sagadahoc County, Maine)
Luber School (Stone County, Arkansas)
Lucas Krom Stone House (Ulster County, New York)
Lucas Troendle House (Blue Earth County, Minnesota)
Luce County Sheriff's House and Jail (Luce County, Michigan)
Luce-Dyer House (Pike County, Missouri)
Lucian Newhall House (Scott County, Iowa)
Lucien Perkins Farm (Garrard County, Kentucky)
Lucius and Maria Clinton Lane House (Floyd County, Iowa)
Modest Victorian brick home southeast of Charles City, Iowa
Lucius Barbour House (Hartford County, Connecticut)
Lucius Coleman Hall House (Jackson County, North Carolina)
Lucius T. Tambling House (Geauga County, Ohio)
Lucken Farm (Traill County, North Dakota)
Lucky Hit (Clarke County, Virginia)
Lucy Hart House (Franklin County, Ohio)
Lucy Hobbs Taylor Building (Douglas County, Kansas)
Lucy Ruggles House (Chittenden County, Vermont)
Ludington Building (Cook County, Illinois)
Ludington House (Douglas County, Kansas)
Ludlow Center Historic District (Hampden County, Massachusetts)
Ludlow Lagoon Clubhouse (Kenton County, Kentucky)
Ludlow--Van Rensselaer House (Columbia County, New York)
Ludwick Rudisel Tannery House (Carroll County, Maryland)
Luethstrom--Hurin House (Hamilton County, Ohio)
Luke Bone Grocery--Boarding House (White County, Arkansas)
Lukens Historic District (Chester County, Pennsylvania)
Lulu Graves Farm (Jerome County, Idaho)
Lum's Mill House (New Castle County, Delaware)
Luman Nelson House (Portage County, Ohio)
Lumber Exchange Building (Hennepin County, Minnesota)
Lumberville Historic District (Bucks County, Pennsylvania)
Lummis House (Los Angeles County, California)
Lund Building (Yakima County, Washington)
Lunn's Tavern (Chester County, Pennsylvania)
Lunn-Musser Octagon Barn (Otsego County, New York)
Lusk Home and Mill Site (Parke County, Indiana)
Lutcher Memorial Church Building (Orange County, Texas)
Luther Brannon House (Anderson County, Tennessee)
Luther House (Bristol County, Massachusetts)
Luther Palmer House (New London County, Connecticut)
Luther's Corner (Bristol County, Massachusetts)
Lutheran Indian Mission (Shawano County, Wisconsin)
Lutheran Theological Seminary-Old Dorm (Adams County, Pennsylvania)
Lutherville Historic District (Baltimore County, Maryland)
Lutherville School (Johnson County, Arkansas)
Lutz-Franklin School (Northampton County, Pennsylvania)
Luverne Carnegie Library (Rock County, Minnesota)
Luverne Historic District (Crenshaw County, Alabama)
Luzerne County Fresh Air Camp (Luzerne County, Pennsylvania)
Luzerne Presbyterial Institute (Luzerne County, Pennsylvania)
Lycurgus Stoner House (Putnam County, Indiana)
Lyford's Stone Tower (Marin County, California)
Lyle Covered Bridge (Washington County, Pennsylvania)
Queenpost through truss bridge over Brush Run Creek on TR861 Kramer Rd.
Lyman Allen House And Barn (Fairfield County, Ohio)
Lyman C. Joseph House (Newport County, Rhode Island)
Lyman House (Hartford County, Connecticut)
Lyman M. Brackett House (Fulton County, Indiana)
Lyman P. Akins House (Tioga County, New York)
Lyman School for Boys (Worcester County, Massachusetts)
Lyman Scott House (Pike County, Illinois)
Lyman Stearns Farm (Cuyahoga County, Ohio)
Lyman Street Historic District (Middlesex County, Massachusetts)
Lyman Terrace (Lancaster County, Nebraska)
Lyme Center Historic District (Grafton County, New Hampshire)
Lynch Building (Duval County, Florida)
Lynch Chapel United Methodist Church (Monongalia County, West Virginia)
Lynch's Brickyard House (Lynchburg, Virginia)
Lynchburg Covered Bridge (Unspecified county, Ohio)
Lynchburg Historic District (Moore County, Tennessee)
Lyndon B. Johnson National Historical Park (Unspecified county, Texas)
Lyndon Baines Johnson Memorial Grove On The Potomac (Washington, District of Columbia)
Lyndon Bridge (Whiteside County, Illinois)
Pennsylvania through truss bridge over Rock River on 6th Avenue (Lyndon Road)
Lynn Hall (McKean County, Pennsylvania)
Lynn Shelton American Legion Post No. 27 (Washington County, Arkansas)
Lynn Woods Historic District (Essex County, Massachusetts)
Lynnford-Lyndon Hall (Jefferson County, Kentucky)
Lynnside Historic District (Monroe County, West Virginia)
Lynnwood Farm (Licking County, Ohio)
Lynx Creek District (Yavapai County, Arizona)
Lyon Building (King County, Washington)
Lyon Park Historic District (Arlington County, Virginia)
Lyon Village Historic District (Arlington County, Virginia)
Lyons High School (Rice County, Kansas)
Lyons Station (Somerset County, New Jersey)
Lyric Theater (Miami-Dade County, Florida)
Lysander Jacoby House (Winnebago County, Illinois)
Lytle Park Historic District (Hamilton County, Ohio)
M & O Chevrolet Company (Cumberland County, North Carolina)
M L Ranch (Big Horn County, Wyoming)
M Street High School (Washington, District of Columbia)
M. Carey Thomas Library, Bryn Mawr College (Montgomery County, Pennsylvania)
M. D. Bennett House (DeWitt County, Texas)
M. E. Church, South (Breathitt County, Kentucky)
M. E. Doe House (Granite County, Montana)
M. Fred Bell Rental Cottage (Callaway County, Missouri)
M. Fred Bell Speculative Cottage (Callaway County, Missouri)
M. J. King House (Shelby County, Kentucky)
M. J. Marks House (Ada County, Idaho)
M. J. Sharp House (Maricopa County, Arizona)
M. J. Ward Feed Mill Complex (Steuben County, New York)
M. L. Watts House (Umatilla County, Oregon)
M. Miller House (Boone County, Kentucky)
M. S. Whitcomb Farm (Chittenden County, Vermont)
M. V. Gannon House (Scott County, Iowa)
M. W. Huss House (Shelby County, Kentucky)
M.E. Franklin House (Cherokee County, Oklahoma)
M.G. Michaelis Ranch (Hays County, Texas)
Mabee House (Schenectady County, New York)
Mabel and David Jones House (Codington County, South Dakota)
Mabton High School (Yakima County, Washington)
MacAlpine (Howard County, Maryland)
Maccabees Building (Wayne County, Michigan)
MacDonald-Todd House (Dakota County, Minnesota)
MacDonell House (Allen County, Ohio)
MacDowell Colony (Hillsborough County, New Hampshire)
Macedonia Church (Lawrence County, Ohio)
MacGregor Ranch (Larimer County, Colorado)
Machacek Homestead (Yankton County, South Dakota)
Machias Valley Grange, #360 (Former) (Washington County, Maine)
Machpelah (Vance County, North Carolina)
Machpelah Cemetery (Genesee County, New York)
Mackay Episcopal Church (Custer County, Idaho)
Mackay Estate Dairyman's Cottage (Nassau County, New York)
Mackay Estate Water Tower (Nassau County, New York)
Mackinac Point Lighthouse (Cheboygan County, Michigan)
Maclay Mansion (Moniteau County, Missouri)
Macmillan Building (New York County, New York)
Macomber Stone House (Schenectady County, New York)
MacTavish House (Socorro County, New Mexico)
Macy-Colby House (Essex County, Massachusetts)
Mad River Block (Erie County, Ohio)
Mad River Valley Rural Historic District (Washington County, Vermont)
Madden's Tavern (Culpeper County, Virginia)
Madden--McCaskey House (Jackson County, Oregon)
Maddux House (Somerset County, Maryland)
Madison Barracks (Jefferson County, New York)
Madison Candy Company (Dane County, Wisconsin)
Madison Civic Commercial District (Morris County, New Jersey)
Madison County Courthouse (Madison County, Virginia)
Madison County Courthouse (Madison County, Ohio)
Madison County Courthouse (Madison County, Iowa)
Madison County Courthouse (Madison County, Georgia)
Madison County Jail (Madison County, Mississippi)
Madison Elementary School (Weber County, Utah)
Madison Elementary School (Allegheny County, Pennsylvania)
Madison Green Historic District (New Haven County, Connecticut)
Madison Historic District (Lake County, South Dakota)
Madison Masonic Temple (Dane County, Wisconsin)
Madison Museum (Teton County, Wyoming)
Madison National Bank (Boone County, West Virginia)
Madison Norris and Fishing Bridge Museums (Unspecified county, Wyoming)
Madison Ranch (Pennington County, South Dakota)
Madison Seminary And Home (Lake County, Ohio)
Madison Station (Morris County, New Jersey)
Madison Station Historic District (Madison County, Alabama)
Madison Street Methodist Church (Montgomery County, Tennessee)
Madison Waterworks (Dane County, Wisconsin)
Madison-Monroe Historic District (Shelby County, Tennessee)
Madison-Stewart Historic District (Hamilton County, Ohio)
Madrid Village Schoolhouse (Franklin County, Maine)
Mads C. Larson House (Cook County, Illinois)
Madulce Guard Station and Site (Santa Barbara County, California)
Maeser School (Utah County, Utah)
Magalia Community Church (Butte County, California)
Magazine City Hall--Jail (Logan County, Arkansas)
Magen David Synagogue (Kings County, New York)
Maggie Gillies White House (Beaver County, Utah)
Magnolia Cemetery (Charleston County, South Carolina)
Magnolia Grove (Lincoln County, North Carolina)
Magnolia Hall (Sumter County, South Carolina)
Magnolia Manor (Alexander County, Illinois)