In which year was the historic house and museum that the Maine Historical Society operates from designated as a National Historic Landmark?
Wadsworth-Longfellow House The Wadsworth-Longfellow House is a historic house and museum in Portland, Maine, United States. It is located at 489 Congress Street and is operated by the Maine Historical Society. It was designated a National Historic Landmark in 1962, and administratively added to the National Register of Historic Places in 1966. The house is open daily to public from May through October (half days on Sundays). An admission fee is charged.
Lord Mansion The Lord Mansion is a historic house at 20 Summer Street (Maine State Route 35) in Kennebunk, Maine. The multi-part house includes a 1760 Georgian house as an ell to its main element, an 1801 Federal period structure. The house was listed on the National Register of Historic Places in 1973 for its architectural significance; it is also a contributing element to the Kennebunk Historic District.