Porcupine Creek Ranch and Golf Course, Rancho Mirage, CA

A private 250-acre golf course and estate in Rancho Mirage, near Palm Springs, with an 18-hole golf course, a 18,500 square-foot mansion, clubhouse, guest houses, and amphitheater. The site was purchased by Oracle founder Larry Ellison in 2011 for $45 million. President Obama has played golf there.