Spas with upscale

Park City, Utah

A ten-treatment-room spa inside the private Promontory Club in Park City, with a full hydrotherapy circuit of steam, sauna and cold plunge.

New York City, New York

Thermal bath circuit and massages in a restored 1883 Tribeca textile factory, with a skylit tepidarium and candlelit thermal pools; reservation required.

Sedona, Arizona

A resort spa at Amara in Sedona with outdoor baths, an infinity pool and a relaxation lounge, open only to hotel guests.

Rishikesh, Uttarakhand

An upscale riverside resort 18 km outside Rishikesh with an in-house spa, yoga studio and restaurant, open only to overnight guests by reservation.

San Francisco, California

Hotel spa on the 8th floor of 1 Hotel San Francisco with rooftop stone soaking tubs and Bamford skincare treatments, open daily for day visitors.

Vail, Colorado

Medical spa in Vail offering facials, skin therapies, IV drips and sports recovery treatments, with walk-ins welcome but reservations recommended.

Los Angeles, California

A boutique medical spa in Pico-Robertson focused entirely on facials, from HydraFacial to microdermabrasion, with no body treatments on the menu.

Naples, Florida

A Naples medical spa in Park Shore focused on skin treatments like Morpheus8 microneedling and Lumecca IPL, with reservations required.

Milwaukee, Wisconsin

East Town Spa in Milwaukee's Juneau Town combines a full-service salon and med spa with a thermal circuit of sauna, steam, pools and cold plunge.

Nashville, Tennessee

A Belle Meade day spa and salon offering massage, facials and hair services by appointment, with no walk-in facility pass.

São Paulo

A holistic wellness center in São Paulo's Paraíso district running ayahuasca ceremonies, tarot sessions, massage therapy and weekend forest retreats with cabin

Naples, Florida

Medical spa in North Naples focused on injectables, facials, peels and skin-resurfacing treatments like Morpheus and Votiva.

Aspen, Colorado

Adults-only day spa in downtown Aspen focused on facials, microdermabrasion, micro-needling and Block Therapy fascia work by appointment.

Mérida, Yucatán

Resort spa on the grounds of Hacienda Xcanatun near Mérida, with a pavilion over a pond offering Asian-style massages and facials by reservation.

Tucson, Arizona

A hotel spa inside the 1929 Hacienda del Sol Guest Ranch Resort in Tucson, offering facials, massages and body treatments to resort guests only.

Puyehue, Los Lagos

A forest resort spa in Puyehue, Chile, with volcanic thermal pools and outdoor baths, open only to hotel guests.

Hudson Valley, New York

A medical spa in Newburgh, NY offering injectables, laser skin treatments, facials and brow work, led by nurse injector Randi Quick, by appointment only.

Hudson Valley, New York

A second-floor day spa on Main Street in Goshen, NY, specializing in four customizable facials priced from $175 to $225.

Leukerbad, Valais

A 30-room hotel in Leukerbad with a private thermal pool and sauna chalet, open to overnight guests only, overlooking the Gemmi massif.

San Francisco, California

Medical spa in San Francisco's Mission District offering appointment-based treatments, with free parking available behind the building.

Zurich

An upscale day spa near Paradeplatz in central Zurich focused on facials, anti-aging treatments and massages for adults.

Miami, Florida

Medical spa inside the SLS LUX Hotel in Brickell offering massage, custom facials and couples treatments by reservation.

Vail, Colorado

Medical spa in Edwards, near Vail, offering injectables, lasers and skin treatments overseen by a nurse practitioner medical director.

Tucson, Arizona

Lakeside Spa at this 398-room desert resort in Tucson is open to hotel guests only, with two heated pools, a Jacuzzi and mountain views of Catalina range.