Commercial real estate magnate Don Abbey custom-built homes for himself in Southern California and Montana -- then decided to put them both on the market. This one, listed for $78.8 million, is at 172 Bliss Canyon Road in Bradbury, California, east of Pasadena.
Read more about Abbey's two $78 million estates on the market on Yahoo! Homes' Spaces blog. And to see even more photos, go to Zillow Blog.