National Historic Landmarks in Maryland (74 properties)
National Historic Landmarks (NHLs) are nationally significant historic places designated by the Secretary of the Interior
because they possess exceptional value or quality in illustrating or interpreting the heritage of the United States. Today,
just over 2,500 historic places bear this national distinction.
» GO TO NATIONAL HISTORIC LANDMARKS PAGE ON NPS.GOV
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| Accokeek Creek Site, Prince Georges County |
| B & O Transportation Museum & Mount Clare Station, Baltimore City |
| Ball’s Bluff Battlefield Historic District, Montgomery County |
| BALTIMORE (tug), Baltimore City |
| Bollman Suspension Truss Bridge, Howard County |
| Brice House, Anne Arundel County |
| Carrollton Viaduct, Baltimore City |
| Casselman Bridge, National Road, Garrett County |
| Chase-Lloyd House, Anne Arundel County |
| CHESAPEAKE (lightship), Baltimore City |
| Chestertown Historic District, Kent County |
| Clara Barton National Historic Site, Montgomery County |
| College of Medicine of Maryland, Baltimore City |
| Colonial Annapolis Historic District, Anne Arundel County |
| Doughoregan Manor, Howard County |
| Edgar Allan Poe House, Baltimore City |
| EDNA E. LOCKWOOD (bugeye), Talbot County |
| Ellicott City Station, B & O Railway, Howard County |
| Elmer V. McCollum House, Baltimore City |
| First Unitarian Church, Baltimore City |
| Flag House, Baltimore City |
| Fort Frederick State Park, Washington County |
| Gaithersburg Latitude Observatory, Montgomery County |
| Governor William Paca House and Garden, Anne Arundel County |
| Greenbelt Historic District, Prince Georges County |
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