The main house on the property had originally been built by Lost Horizon ( 1937 ) actress Margo Albert .
The ranch had been the filming and stabling site for the Mister Ed television show in the 1960s .
The main house on the property had originally been built by Lost Horizon ( 1937 ) actress Margo Albert , and the ranch had been the filming and stabling site for the Mister Ed television show in the 1960s .