The Sir George-Étienne Cartier National Historic Site is an historic house museum in Old Montreal

Old Montreal

Old Montreal is the oldest area in the city of Montreal, Quebec, Canada, dating back to New France. Located in the borough of Ville-Marie, the area is bordered on the west by McGill St., on the north by Ruelle des Fortifications, on the east by Berri St. and on the south by the Saint Lawrence River...

 commemorating the life and accomplishments of Sir George-Étienne Cartier. This reconstitution of the adjoining homes of the Cartier family features the architectural heritage left by the upper middle class of 19th century Montreal, along with interpretive activities and theatrical performances.

It was designated a National Historic Site of Canada in 1964.