Lander College Old Main Building (Greenwood County, South Carolina)
University administration building on the campus of Lander University in Greenwood, SC
Lander Downtown Historic District (Fremont County, Wyoming)
Landry Tomb (Ascension Parish, Louisiana)
Lane, Anthony, House (Worcester County, Massachusetts)
Lane, Edward H., House (Grafton County, New Hampshire)
Lane, Fitz Henry, House (Essex County, Massachusetts)
In Capt. Solomon Jacobs Park
Lanterman House (Los Angeles County, California)
Larchmont (Worcester County, Massachusetts)
Larrabee's Brick Block (Middlesex County, Massachusetts)
Larz Anderson House (Washington, District of Columbia)
LaSalle Building (St. Louis, Missouri)
Lasell Neighborhood Historic District (Middlesex County, Massachusetts)
Latham Confederate Monument (Christian County, Kentucky)
Latham-Baker House (Guilford County, North Carolina)
Laurel Glen Mausoleum--Laurel Hall (Rutland County, Vermont)
Laurel Railroad Station (Prince George's County, Maryland)
Laurens County Courthouse (Laurens County, South Carolina)
Historic courthouse building in Laurens, SC
Lawndale School (Philadelphia County, Pennsylvania)
Lawrence Academy (Barnstable County, Massachusetts)
Lawrence County Courthouse (Lawrence County, Missouri)
Lawrence Farm (Cheshire County, New Hampshire)
Lawrence Library (Somerset County, Maine)
Lawrence Light Guard Armory (Middlesex County, Massachusetts)
Lawrence Street Cemetery (Essex County, Massachusetts)
Lawrence, Phineas, House (Middlesex County, Massachusetts)
Le Conte Memorial Lodge (Mariposa County, California)
Le Mars Public Library (Plymouth County, Iowa)
Lear House (Sullivan County, New Hampshire)
Leavitt Farm (Merrimack County, New Hampshire)
Leavitt, James, House (York County, Maine)
Leavy Tobacco Barn (Woodford County, Kentucky)
Lebanon Green Historic District (New London County, Connecticut)
LeCarpentier-Beauregard-Keyes House (Orleans Parish, Louisiana)
Lee County Courthouse (Lee County, Texas)
Lee, Daniel and Mary, House (Middlesex County, Connecticut)
Lee, Jesse, Church (Kennebec County, Maine)
Leesport Lock House (Berks County, Pennsylvania)
Leiter II Building (Cook County, Illinois)
Leland Castle (Westchester County, New York)
Lena N. Gale Cabin (Douglas County, Nevada)
Lenawee County Courthouse (Lenawee County, Michigan)
Lenox High School (Berkshire County, Massachusetts)
Level Club (New York County, New York)
Levi Ballard House (Fulton County, Georgia)
Lewis Street Block (Hartford County, Connecticut)
Lewis, Deacon Willard, House (Norfolk County, Massachusetts)
Lewis, Isaac C., Cottage (New Haven County, Connecticut)
Lewis-Card-Perry House (Washington County, Rhode Island)
Lewiston City Hall (Androscoggin County, Maine)
Lewiston Public Library (Androscoggin County, Maine)
Lewiston Trust and Safe Deposit Company (Androscoggin County, Maine)
Lexington City National Bank Building (Fayette County, Kentucky)
Lexington Green (Middlesex County, Massachusetts)
Lexington Presbyterian Church (Lexington, Virginia)
Libby Island Light Station (Washington County, Maine)
Libby--Hill Block (Kennebec County, Maine)
Liberty Building (Jackson County, Oregon)
Liberty Hall (Washington County, Maine)
Liberty Monument (Essex County, New York)
Library Park Historic District (St. Lawrence County, New York)
Lighthouse Inn (New London County, Connecticut)
Lillibridge, Simon, Farm (Washington County, Rhode Island)
Limington Academy (York County, Maine)
Limington Historic District (York County, Maine)
Lincoln (Statue) (Champaign County, Illinois)
Lincoln Boyhood National Memorial (Spencer County, Indiana)
Lincoln Building (Foster County, North Dakota)
Lincoln Building (New York County, New York)
Lincoln County Courthouse (Lincoln County, Wisconsin)
This beautiful courthouse was built in 1903 and restored in 2011
Lincoln Historic District (Plymouth County, Massachusetts)
Lincoln Memorial (Washington, District of Columbia)
Lincoln Park (Cumberland County, Maine)
Lincoln School (McCracken County, Kentucky)
Lincoln Trust Building (St. Louis, Missouri)
Lincoln, Gov. Levi, House (Worcester County, Massachusetts)
Lincoln--Sunset Historic District (Hampshire County, Massachusetts)
Lincolnville Center Meeting House (Waldo County, Maine)
Linden Street Bridge (Middlesex County, Massachusetts)
Linton Block (Providence County, Rhode Island)
destroyed by fire on March 22, 2000
Lipman--Wolfe and Company Building (Multnomah County, Oregon)
Lisanti Chapel (Bronx County, New York)
Lisbon Inn (Grafton County, New Hampshire)
Lithgow Library (Kennebec County, Maine)
Little Falls Carnegie Library (Morrison County, Minnesota)
Little Falls Meetinghouse (Harford County, Maryland)
Little Neck Cemetery (Providence County, Rhode Island)
Little Red Schoolhouse (Franklin County, Maine)
Little River Light Station (Washington County, Maine)
Little Rock City Hall (Pulaski County, Arkansas)
Little Rock Confederate Memorial (Pulaski County, Arkansas)
Little, Edward, House (Androscoggin County, Maine)
Littlebrook (Spokane County, Washington)
Littleton Town Building (Grafton County, New Hampshire)
Llano Cemetery Historic District (Randall County, Texas)
Llano County Courthouse and Jail (Llano County, Texas)
Lloyd Tilghman Memorial (McCracken County, Kentucky)
Lockkeeper's House, C & O Canal Extension (Washington, District of Columbia)
Lockwood Mill Historic District (Kennebec County, Maine)
Lockwood-Mathews Mansion (Fairfield County, Connecticut)
Locust Grove Cemetery (Taliaferro County, Georgia)
Lombard, Alvin O., House (Kennebec County, Maine)
Lonetree (Chouteau County, Montana)
Long Ridge Village Historic District (Fairfield County, Connecticut)
Long Wharf and Customhouse Block (Suffolk County, Massachusetts)
Long, William H., Memorial (Merrimack County, New Hampshire)
Longfellow, Henry Wadsworth, Monument (Cumberland County, Maine)
Longmeadow Street--North Historic District (Hampden County, Massachusetts)
Longue Vue Island (Jefferson County, New York)
Lonsdale Historic District (Providence County, Rhode Island)
Loomis--Pomeroy House (Tolland County, Connecticut)
Lord Baltimore Hotel (Baltimore, Maryland)
Lord Block (Androscoggin County, Maine)
Lord's Hill Historic District (Carroll County, New Hampshire)
Lord, Capt. Enoch, House (New London County, Connecticut)
Lord, James C., House (Androscoggin County, Maine)
Lord--Dane House (York County, Maine)
Lorin Cray House (Blue Earth County, Minnesota)
Loring, Harrison, House (Suffolk County, Massachusetts)
Loring-Greenough House (Suffolk County, Massachusetts)
Lorraine Lodge (Jefferson County, Colorado)
Lorraine Park Cemetery Gate Lodge (Baltimore County, Maryland)
Lothrop, Caleb, House (Norfolk County, Massachusetts)
Loudon Town Hall (Merrimack County, New Hampshire)
Louis W. Harris Flour Mill (Beaver County, Utah)
Louis Yanke Saloon (Waukesha County, Wisconsin)
Louisiana State Exhibit Building (Caddo Parish, Louisiana)
Louisville Trust Building (Jefferson County, Kentucky)
Louttit Laundry (Providence County, Rhode Island)
damaged by fire in 2001, and demolished in 2008
Lovejoy Bridge (Oxford County, Maine)
Covered bridge over Ellis River on Covered Bridge Road
Lovejoy, Charles, House (Essex County, Massachusetts)
Lovell Village Church (Oxford County, Maine)
Lovely Lane Methodist Church (Baltimore, Maryland)
Lovering, Joseph, House (Middlesex County, Massachusetts)
Lowell Post Office (Middlesex County, Massachusetts)
Lower Alewive Historic District (York County, Maine)
Lower Corner Historic District (Carroll County, New Hampshire)
Lower Pleasant Street District (Worcester County, Massachusetts)
Lower Sunday River School (Oxford County, Maine)
Lower Union Street Historic District (Plymouth County, Massachusetts)
Lower Warner Meetinghouse (Merrimack County, New Hampshire)
Lowndes County Courthouse (Lowndes County, Georgia)
Lucas Broadhead House (Woodford County, Kentucky)
Lucas Homestead (Chelan County, Washington)
Luce Hall (Newport County, Rhode Island)
Lucein Boneparte Covell House (McHenry County, Illinois)
Lucerne Inn (Hancock County, Maine)
Luckey, Platt & Company Department Store (Dutchess County, New York)
Ludlow Tent Colony Site (Las Animas County, Colorado)
Ludlow Village Historic District (Hampden County, Massachusetts)
Ludwig, Godfrey, House (Lincoln County, Maine)
Lunenburg Historic District (Worcester County, Massachusetts)
Lyceum Hall (Androscoggin County, Maine)
Lydia Darrah School (Philadelphia County, Pennsylvania)
Lyerly Building for Boys (Rowan County, North Carolina)
Lynchburg Courthouse (Lynchburg, Virginia)
Lyndeborough Center Historic District (Hillsborough County, New Hampshire)
Lynn Armory (Essex County, Massachusetts)
Lynn Bank Block (Essex County, Massachusetts)
Lynn Common Historic District (Essex County, Massachusetts)
Lynn Memorial City Hall and Auditorium (Essex County, Massachusetts)
Lynn Public Library (Essex County, Massachusetts)
Lyon, T.U., House (Middlesex County, Massachusetts)
Maccabees Building (Wayne County, Michigan)
Machias Post Office and Customhouse (Washington County, Maine)
Machias Railroad Station (Washington County, Maine)
Machpelah (Vance County, North Carolina)
Mackie Building (Milwaukee County, Wisconsin)
Imposing example of large commercial structure of the 1870's, typical of Milv/aukee's rapid growth and commercial development following the Civil War
Madison City Hall (Lac qui Parle County, Minnesota)
Madison County Courthouse (Madison County, Missouri)
Madison County Courthouse (Madison County, North Carolina)
Madison Masonic Lodge (Morris County, New Jersey)
Madison Public Library (Somerset County, Maine)
Madison School, District No. 1 (Carroll County, New Hampshire)
Magen David Synagogue (Kings County, New York)
Magnolia Building (Dallas County, Texas)
Magnolia Grove (Lincoln County, North Carolina)
Mahoning County Courthouse (Mahoning County, Ohio)
Main Building, Tempe Normal School (Maricopa County, Arizona)
Main Library (Erie County, Pennsylvania)
Main Post Office and Federal Building (Alameda County, California)
Main Street Bridge (Providence County, Rhode Island)
Two-span stone arch bridge over Blackstone River on Main Street in Pawtucket
Main Street Historic District (Washington County, Rhode Island)
Main Street Historic District (Fairfield County, Connecticut)
Main Street Historic District (Oxford County, Maine)
Main Street Historic District (Middletown) (Middlesex County, Connecticut)
Main Street Historic District No. 2 (Hartford) (Hartford County, Connecticut)
Maine Insane Hospital (Kennebec County, Maine)
Maine State Building (Androscoggin County, Maine)
Maine State House (Kennebec County, Maine)
Maine Woods Office (Franklin County, Maine)
Maj. A. J. Rose House (Bell County, Texas)
Majestic Theatre (Bexar County, Texas)
Mallett Hall (Penobscot County, Maine)