Waldorf Astoria New York, in partnership with the legendary Maison of Guerlain, today announced the official opening of Guerlain Wellness Spa, a cutting-edge spa and wellness destination open to guests, residents, locals and visitors. Managed by Trilogy Spa Holdings and spanning an impressive 22,000 square feet, the spa is Guerlain’s largest in the world, combining timeless luxury with innovative technology and a visionary approach to longevity.