Greystone Mansion is a very large palatial mansion in Beverly Hills, California It was the backdrop for both Dark Shadows (1991) and the uncompleted pilot for Dark Shadows (2004). It has 85 rooms and comprises 46,000 square feet.
Websites[]
Greystone Home Page http://www.greystonemansion.org/
Wikipedia Article http://en.wikipedia.org/wiki/Greystone_Mansion