List of National Historic Landmarks in Maryland

The NHLs are distributed over 17 of Maryland's 23 counties and its one county-equivalent, the independent city of Baltimore.

For consistency, places are listed by their National Historic Landmark program names.

[2]	Landmark name	Image	Date designated[3]	Location	County	Description
1	Accokeek Creek Site	Accokeek Creek Site	July 19, 1964 (#66000909)	Accokeek 38°41′46″N 77°03′07″W	Prince George's	Archaeological site of a palisaded village occupied from ca. A.D. 1300 to ca. 1630
2	Army Medical Museum and Library	Army Medical Museum and Library	January 12, 1965 (#66000854)	Silver Spring 39°00′32″N 77°03′14″W	Montgomery	This listing presently encompasses a US military medical records and research collection that dates to the 1860s. The original building in Washington, D.C. was demolished in 1969; the collection is now principally with the National Museum of Health and Medicine. The landmark designation is undergoing review.
3	BALTIMORE (Tug)	BALTIMORE (Tug)	November 4, 1993 (#93001613)	Baltimore 39°16′22″N 76°36′01″W	City of Baltimore	Oldest steam-powered tugboat in operation in the United States
4	Baltimore and Ohio Transportation Museum and Mount Clare Station	Baltimore and Ohio Transportation Museum and Mount Clare Station	September 15, 1961 (#66000906)	Baltimore 39°17′01″N 76°37′57″W	City of Baltimore	Part of oldest American railyard; site of first passenger rail service and first telegraph message. Collections of 19th- and 20th-century artifacts related to America's railroads; 250 pieces of railroad rolling stock; 15,000 artifacts; four nineteenth-century buildings, including the historic roundhouse; a mile of historic track. Larg
5	Clara Barton House	Clara Barton House	January 12, 1965 (#66000037)	Glen Echo 38°58′03″N 77°08′28″W	Montgomery	Home of Clara Barton; American pioneer teacher, nurse, and humanitarian; founder of the American Red Cross
6	Bollman Truss Railroad Bridge	Bollman Truss Railroad Bridge	February 16, 2000 (#72000582)	Savage 39°08′05″N 76°49′31″W	Howard	Sole surviving example of the first successful all-metal bridge design to be adopted and consistently used on a railroad
7	Brice House	Brice House	April 15, 1970 (#70000259)	Annapolis 38°58′45″N 76°29′14″W	Anne Arundel	Preserved 18th century Georgian style brick house
8	Carrollton Viaduct	Carrollton Viaduct	November 11, 1971 (#71001032)	Baltimore 39°16′24″N 76°39′19″W	City of Baltimore	Oldest operating railway bridge in the world.
9	Rachel Carson House	Rachel Carson House	December 4, 1991 (#91002058)	Silver Spring 39°02′48″N 77°00′03″W	Montgomery	House where Rachel Carson wrote her classic work Silent Spring in 1962
10	Casselmans Bridge, National Road	Casselmans Bridge, National Road	January 29, 1964 (#66000391)	Grantsville 39°41′48″N 79°08′37″W	Garrett	Bridge built in 1813 on the National Road, the nation's first major public works project
11	Whittaker Chambers Farm	Whittaker Chambers Farm	May 17, 1988 (#88001824)	Westminster 39°39′35″N 76°58′35″W	Carroll	Farm home of Whittaker Chambers, accuser of Alger Hiss; papers hidden here in a pumpkin led to Hiss's conviction; Chambers wrote Witness, his best-selling autobiography, here
12	Chase-Lloyd House	Chase-Lloyd House	April 15, 1970 (#70000260)	Annapolis 38°58′52″N 76°29′18″W	Anne Arundel	Three-story brick Georgian mansion dating from 1769-1774
13	Chestertown Historic District	Chestertown Historic District	April 15, 1970 (#70000263)	Chestertown 39°12′45″N 76°04′10″W	Kent
14	College of Medicine of Maryland	College of Medicine of Maryland	September 25, 1997 (#97001275)	Baltimore 39°17′07″N 76°37′25″W	City of Baltimore	Oldest medical school building in the U.S.
15	Colonial Annapolis Historic District	Colonial Annapolis Historic District	June 23, 1965 (#66000383)	Annapolis 38°58′41″N 76°29′29″W	Anne Arundel	NRHP 66000383, and boundary increase NRHP 84003875, in 1984.
16	USS CONSTELLATION (Frigate)	USS CONSTELLATION (Frigate)	May 23, 1963 (#66000918)	Baltimore 39°17′03″N 76°36′42″W	City of Baltimore	Constructed in 1854; sloop-of-war, or corvette; second United States Navy ship to carry this famous name
17	Doughoregan Manor	Doughoregan Manor	November 11, 1971 (#71000376)	Ellicott City 39°16′36″N 76°53′35″W	Howard	Built in 1766; until 1832 home of Charles Carroll, last surviving signer of the Declaration of Independence
18	EDNA E. LOCKWOOD (Bugeye)	EDNA E. LOCKWOOD (Bugeye)	April 19, 1994 (#86000258)	St. Michaels 38°47′08″N 76°13′10″W	Talbot	Built in 1889; Chesapeake Bay bugeye; last working oyster boat of her kind
19	Ellicott City Station	Ellicott City Station	November 24, 1968 (#68000025)	Ellicott City 39°15′56″N 76°47′43″W	Howard
20	First Unitarian Church	First Unitarian Church	November 7, 1973 (#72001495)	Baltimore 39°17′36″N 76°36′58″W	City of Baltimore
21	Fort Frederick	Fort Frederick	November 7, 1973 (#73000939)	Big Pool 39°36′33″N 78°01′17″W	Washington
22	Frieda Fromm-Reichmann Cottage		January 13, 2021 (#100006277)	Rockville 39°04′59″N 77°09′44″W	Montgomery
23	Gaithersburg Latitude Observatory	Gaithersburg Latitude Observatory	December 20, 1989 (#85001578)	Gaithersburg 39°08′05″N 77°11′57″W	Montgomery
24	Greenbelt, Maryland Historic District	Greenbelt, Maryland Historic District	February 18, 1997 (#80004331)	Greenbelt 39°00′10″N 76°53′28″W	Prince George's
25	Habre-de-venture	Habre-de-venture	November 11, 1971 (#72001595)	Port Tobacco 38°31′43″N 77°01′54″W	Charles	Now the Thomas Stone National Historic Site.
26	Hammond-Harwood House	Hammond-Harwood House	October 9, 1960 (#66000384)	Annapolis 38°58′52″N 76°29′18″W	Anne Arundel
27	HILDA M. WILLING (Skipjack)	HILDA M. WILLING (Skipjack)	April 19, 1994 (#85001089)	Tilghman 38°42′40″N 76°19′53″W	Talbot
28	His Lordship's Kindness	His Lordship's Kindness	April 15, 1970 (#70000853)	Rosaryville 38°46′44″N 76°50′34″W	Prince George's	Also known as Poplar Hill.
29	Homewood	Homewood	November 11, 1971 (#71001033)	Baltimore 39°19′39″N 76°37′09″W	City of Baltimore
30	KATHRYN (Skipjack)	KATHRYN (Skipjack)	April 19, 1994 (#85001090)	Tilghman Island 38°42′40″N 76°19′53″W	Talbot
31	Kennedy Farm	Kennedy Farm	November 7, 1973 (#73000941)	Samples Manor 39°22′47″N 77°42′56″W	Washington	Headquarters for John Brown's 1859 raid on Harpers Ferry.
32	LIGHTSHIP NO. 116 "CHESAPEAKE"	LIGHTSHIP NO. 116 "CHESAPEAKE"	December 20, 1989 (#80000349)	Baltimore 39°17′01″N 76°36′34″W	City of Baltimore	Built in 1930 at Charleston Drydock & Machine Co; took on the name of whatever station she was anchored at
33	London Town Publik House	London Town Publik House	April 15, 1970 (#70000262)	Woodland Beach 38°56′23″N 76°32′25″W	Anne Arundel	A county alms house
34	J. C. Lore Oyster House	J. C. Lore Oyster House	August 7, 2001 (#84003869)	Solomons 38°19′26″N 76°27′40″W	Calvert
35	Maryland Statehouse	Maryland Statehouse	December 19, 1960 (#66000385)	Annapolis 38°58′36″N 76°29′28″W	Anne Arundel
36	Elmer V. McCollum House	Elmer V. McCollum House	January 7, 1976 (#76002182)	Baltimore 39°18′49″N 76°41′06″W	City of Baltimore	Home of nutrition researcher Elmer McCollum.
37	H. L. Mencken House	H. L. Mencken House	July 28, 1983 (#83004384)	Baltimore 39°17′08″N 76°38′29″W	City of Baltimore	A home of author H. L. Mencken. The house is included in the Union Square-Hollins Market Historic District.
38	Minor Basilica of the Assumption of the Blessed Virgin Mary	Minor Basilica of the Assumption of the Blessed Virgin Mary	November 11, 1971 (#69000330)	Baltimore 39°17′36″N 76°36′58″W	City of Baltimore
39	Monocacy Battlefield	Monocacy Battlefield	November 8, 1973 (#66000908)	Frederick 39°22′16″N 77°23′31″W	Frederick
40	Montpelier	Montpelier	April 15, 1970 (#70000852)	Laurel 39°03′54″N 76°50′42″W	Prince George's
41	Mount Clare	Mount Clare	April 15, 1970 (#70000860)	Baltimore 39°16′37″N 76°38′37″W	City of Baltimore
42	Mount Royal Station and Trainshed	Mount Royal Station and Trainshed	December 8, 1976 (#73002191)	Baltimore 39°18′14″N 76°37′14″W	City of Baltimore
43	Mount Vernon Place Historic District	Mount Vernon Place Historic District	November 11, 1971 (#71001037)	Baltimore 39°17′51″N 76°36′56″W	City of Baltimore
44	NELLIE CROCKETT (Buy-boat)		April 19, 1994 (#94001185)	Georgetown 39°21′40″N 75°52′55″W	Kent	Chesapeake Bay oyster buy-boat; built in 1926.
45	Old Lock Pump House, Chesapeake and Delaware Canal	Old Lock Pump House, Chesapeake and Delaware Canal	January 12, 1965 (#66000390)	Chesapeake City 39°31′26″N 75°48′39″W	Cecil
46	William Paca House	William Paca House	November 11, 1971 (#71000364)	Annapolis 38°58′46″N 76°29′17″W	Anne Arundel
47	Peale's Baltimore Museum	Peale's Baltimore Museum	December 21, 1965 (#66000915)	Baltimore 39°17′24″N 76°36′38″W	City of Baltimore
48	Phoenix Shot Tower	Phoenix Shot Tower	November 11, 1971 (#69000373)	Baltimore 39°17′19″N 76°36′20″W	City of Baltimore
49	Edgar Allan Poe House	Edgar Allan Poe House	November 11, 1971 (#71001043)	Baltimore 39°17′21″N 76°38′00″W	City of Baltimore
50	REBECCA T. RUARK (Skipjack)	REBECCA T. RUARK (Skipjack)	July 31, 2003 (#85001095)	Tilghman Island 38°42′46″N 76°19′53″W	Talbot
51	Ira Remsen House	Ira Remsen House	May 15, 1975 (#75002102)	Baltimore 39°17′51″N 76°37′09″W	City of Baltimore
52	Riversdale Mansion	Riversdale Mansion	December 9, 1997 (#73002166)	Riverdale 38°57′37″N 76°55′55″W	Prince George's
53	Henry August Rowland House	Henry August Rowland House	May 15, 1975 (#75002098)	Baltimore 39°18′02″N 76°37′02″W	City of Baltimore	Home of physicist Henry Augustus Rowland.
54	St. Mary's City Historic District	St. Mary's City Historic District	August 4, 1969 (#69000310)	St. Marys City 38°11′21″N 76°25′56″W	St. Mary's
55	St. Mary's Seminary Chapel	St. Mary's Seminary Chapel	November 11, 1971 (#71001046)	Baltimore 39°17′38″N 76°37′23″W	City of Baltimore
56	N.S. SAVANNAH (Nuclear Ship)	N.S. SAVANNAH (Nuclear Ship)	July 17, 1991 (#82001518)	Baltimore 39°15′30″N 76°33′20″W	City of Baltimore
57	Schifferstadt	Schifferstadt	December 23, 2016 (#100000833)	Frederick 39°25′24″N 77°25′39″W	Frederick County
58	Sheppard and Enoch Pratt Hospital and Gate House	Sheppard and Enoch Pratt Hospital and Gate House	November 11, 1971 (#71000369)	Towson 39°23′28″N 76°37′09″W	Baltimore County
59	Sion Hill	Sion Hill	April 27, 1992 (#90000608)	Havre De Grace 39°33′58″N 76°07′39″W	Harford
60	Sotterley	Sotterley	February 16, 2000 (#72001487)	Hollywood 38°22′47″N 76°32′20″W	St. Mary's
61	Spacecraft Magnetic Test Facility	Spacecraft Magnetic Test Facility	October 3, 1985 (#85002811)	Greenbelt 39°00′17″N 76°49′31″W	Prince George's
62	Star-Spangled Banner Flag House	Star-Spangled Banner Flag House	December 16, 1969 (#69000320)	Baltimore 39°17′08″N 76°36′13″W	City of Baltimore	House where Mary Young Pickersgill sewed the large Star-Spangled Banner flag of the United States, to fly over Fort McHenry, inspiring the U.S. national anthem.
63	Peggy Stewart House	Peggy Stewart House	November 7, 1973 (#73000887)	Annapolis 38°58′55″N 76°29′14″W	Anne Arundel
64	USCGC TANEY (Coast Guard cutter)	USCGC TANEY (Coast Guard cutter)	June 7, 1988 (#88001826)	Baltimore 39°17′09″N 76°36′23″W	City of Baltimore
65	Thomas Point Shoal Light Station	Thomas Point Shoal Light Station	January 20, 1999 (#75000864)	Annapolis 38°53′56″N 76°26′10″W	Anne Arundel
66	Thomas Viaduct, Baltimore & Ohio Railroad	Thomas Viaduct, Baltimore & Ohio Railroad	January 28, 1964 (#66000388)	Relay 39°13′12″N 76°42′49″W	Baltimore County & Howard County
67	Tolson's Chapel and School	Tolson's Chapel and School	January 13, 2021 (#100006233)	111 E. High St. 39°27′22″N 77°44′47″W	Washington
68	USS TORSK (Submarine)	USS TORSK (Submarine)	January 14, 1986 (#86000090)	Baltimore 39°16′58″N 76°36′33″W	City of Baltimore
69	Tulip Hill	Tulip Hill	April 15, 1970 (#70000261)	Galesville 38°51′03″N 76°33′02″W	Anne Arundel
70	United States Naval Academy	United States Naval Academy	July 4, 1961 (#66000386)	Annapolis 38°59′04″N 76°29′20″W	Anne Arundel
71	Washington Aqueduct	Washington Aqueduct	November 7, 1973 (#73002123)	Great Falls, MD and Washington, DC 38°56′15″N 77°06′51″W	Montgomery, MD and District of Columbia	Also in District of Columbia
72	William Henry Welch House	William Henry Welch House	January 7, 1976 (#76002186)	Baltimore 39°18′00″N 76°36′51″W	City of Baltimore
73	West St. Mary's Manor	West St. Mary's Manor	April 15, 1970 (#70000854)	Drayden 38°11′10″N 76°26′54″W	St. Mary's
74	Whitehall	Whitehall	October 9, 1960 (#66000387)	Annapolis 39°00′15″N 76°25′37″W	Anne Arundel
75	WILLIAM. B. TENNISON (Buy-Boat)	WILLIAM. B. TENNISON (Buy-Boat)	April 19, 1994 (#80001799)	Solomons 38°19′23″N 76°27′39″W	Calvert
76	Wye House	Wye House	April 15, 1970 (#70000264)	Easton 38°51′12″N 76°10′06″W	Talbot

National Historical Parks, some National Monuments, and certain other areas listed in the National Park system are historic landmarks of national importance that are highly protected already, often before the inauguration of the NHL program in 1960, and are then often not also named NHLs per se. There are ___ of these in Maryland. The National Park Service lists these fourteen together with the NHLs in the state,[4]

The Clara Barton National Historic Site, Monocacy National Battlefield and Thomas Stone National Historic Site are also NHLs and are listed above (with the latter under its alternative name, Habre de Venture)

The other seven are:

	Landmark name	Image	Date established[5]	Location	County	Description
1	Antietam National Battlefield		August 30, 1890	Sharpsburg	Washington
2	Chesapeake and Ohio Canal National Historical Park		January 8, 1971	Maryland	multiple counties	Also included in District of Columbia and West Virginia
3	Fort McHenry National Monument and Historic Shrine		March 3, 1925 (National Park) August 11, 1939 (National Monument)	Baltimore	City of Baltimore
4	Fort Washington Park		May 29, 1930	Fort Washington	Prince George's County
5	Hampton National Historic Site		June 22, 1948	Hampton, Maryland	Baltimore County
6	Harpers Ferry National Historical Park		June 30, 1944 (National Monument) May 29, 1963 (National Historical Park)	Maryland	Washington County	Also included in Virginia and West Virginia
7	Piscataway Park		October 4, 1961	Accokeek	Prince George's County

There is one former NHL, Resurrection Manor, which was demolished in 2002 and subsequently delisted.

#	Landmark name	Image	Date designated	Date withdrawn	Locality	County	Description
1	Resurrection Manor		April 15, 1970	February 17, 2006	Hollywood vicinity 38.338056°N 76.509444°W / 38.338056; -76.509444 (Resurrection Manor site)	St. Mary's	Demolished in 2002 and replaced by a modern home.[6]

• National Register of Historic Places listings in Maryland
• List of National Historic Landmarks by state

• "National Historic Landmarks Survey: List of National Historic Landmarks by State--Maryland (71)" (PDF). National Park Service. Retrieved 2008-02-08.
• National Historic Landmarks Program, at National Park Service
• National Register Information System, National Park Service.
• Maryland Historical Markers photographs at the University of Maryland Libraries