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.
Capt. Reuben Merrill House The Captain Reuben Merrill House is an historic house at 233 West Main Street in Yarmouth, Maine, United States. Built in 1858, it is one of the town's largest and most elaborate 19th-century houses, and is one of three known surviving works of Portland architect Thomas J. Sparrow. It was listed on the National Register of Historic Places in 1974. It is now home to Maine Preservation, a statewide architectural preservation organization.