House of Dark Shadows (1970) and Night of Dark Shadows (1971). Some interior scenes of House of Dark Shadows were shot at the Lockwood–Mathews Mansion in Norwalk, Connecticut. Greystone Mansion in Beverly Hills, California was used as Collinwood in the 1991 revival series and The WB's 2004 pilot. See also Dark Shadows House of Dark Shadows Night of Dark Shadows References External Dark Shadows Fictional houses