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Wikipedia: Natl Historic Landmarks in Maryland: Antietam Natl Battlefield
An image of the Antietam National Battlefield.
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Wikipedia: National Historic Landmarks in Maryland: Kathryn (Skipjack)
An image of the Kathryn (Skipjack).
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Wikipedia: National Historic Landmarks in Maryland: Uss Constellation (Frigate)
Constructed in 1854; sloop-of-war, or corvette; second United States Navy ship to carry this famous name.
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Wikipedia: National Historic Landmarks in Maryland: Piscataway Park
An image of Piscataway Park.
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Wikipedia: Natl Historic Landmarks in Maryland: Casselmans Bridge, Natl Road
Bridge built in 1813 on the National Road, the nation's first major public works project.
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Wikipedia: Natl Historic Landmarks in Maryland: Thomas Point Shoal Light Station
An image of the Thomas Point Shoal Light Station.
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Wikipedia: National Historic Landmarks in Maryland: Ellicott City Station
An image of the Ellicott City Station.
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Wikipedia: Natl Historic Landmarks in Md: Spacecraft Magnetic Test Facility
An image of the Spacecraft Magnetic Test Facility.
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Wikipedia: National Historic Landmarks in Maryland: Doughoregan Manor
Built in 1766; until 1832 home of Charles Carroll, last surviving signer of the Declaration of Independence.
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Wikipedia: National Historic Landmarks in Maryland: Greenbelt Historic District
An image of the Greenbelt Historic District.
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Wikipedia: National Historic Landmarks in Maryland: Wye House
An image of the Wye House.
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Wikipedia: National Historic Landmarks in Maryland: Peale's Baltimore Museum
An image of Peale's Baltimore Museum.
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Wikipedia: National Historic Landmarks in Maryland: H. L. Mencken House
A home of author H. L. Mencken. The house is included in the Union Square-Hollins Market Historic District.
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Wikipedia: National Historic Landmarks in Maryland: Kennedy Farm
An image of the Kennedy Farm.