Modeled on the ancient Honjin sanctuaries of Japan, this spa - a favorite of Hollywood celebrities - hosts week-long health, beauty, and relaxation programs on its 377 rolling Southern California acres.
Signature Treatment: The 45-minute Citrus-Sea Salt Scrub with Avocado includes a full-body exfoliation with aromatic sea salts, a warm water wash, and mosturization with a citrus-shea butter body cream (part of a seven-day program, $7,750).
800/424-0777 or 760/744-5777; www.goldendoor.com