The interior scenes of the library, and other first floor scenes, were filmed on location at the Ames Family historic mansion in Borderland State Park, Easton, Massachusetts.  The three-story, 20-room stone mansion was constructed in 1910, largely at the direction of Blanche Ames.  Interior scenes in the upstairs rooms were filmed on stage. The exterior shots … Continue reading Where is the house used in the filming of Knives Out?