The National Register of Historic Places contains more than 85,000 sites, but only some 2,500 of them have been listed as National Historic Landmarks. New England is home to hundreds of these particularly significant structures, objects and places.
Above:
The Great Seal of the State of New Hampshire
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| NEW HAMPSHIRE Governor John Langdon Mansion, Portsmouth
The Governor John Langdon Mansion was built in 1784 by John Langdon (1741-1819), a merchant, shipbuilder, Revolutionary War general and signer of the U.S. Constitution.
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