A 40,000 square-foot space with Asian-influenced décor, this spa in the Four Seasons Los Angeles, Westlake Village is a tranquil spot for top-notch pampering. Treatments also take their cue from Asian traditions, with everything from shiatsu to reiki making an appearance on the spa menu. Couples can opt for a traditional massage in the outdoor spa cabanas, which include a private plunge pool. Or book a spa suite for your treatment, which features a fireplace and plunge pool.