Few could place fear in everyone’s heart like Vincent Price.  The exterior shots of the house were filmed at the historic Ennis House in Los Feliz California, designed by Frank Lloyd Wright and built in 1924. 

There are 3 Frank Lloyd Wright designs in Oklahoma, Westhope in Tulsa, OK (last listed for almost $8 Million, The Price Tower in Bartlesville, Ok and The Harold Price Jr. House in Bartlesville Oklahoma