Billion Onsen and Spa
Day SpaKuala Lumpur
An onsen-style day spa in Kampung Baru, Kuala Lumpur, with thermal pools, sauna, steam room and couples treatments.
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Day Spa
Stand-alone spas open to the public for treatments and facilities by the day.
5 spas match
Da Nang
A Korean-style bathhouse and onsen complex in Da Nang's Hoa Xuan area, with hot spring baths, 11 sauna rooms, massage and a riverside restaurant.
$$Saturnia, Tuscany
Walk-in thermal park in the Maremma countryside with four outdoor sulfur pools, hydromassage jets and a vascular circuit fed by a 3,000-year-old spring.
$$Private SPA＆SAUNA U
Day SpaShibu Onsen, Nagano
Reservation-only private hot spring and sauna suites at a Nagano brewery complex, built around a craft beer bathing plan for two to four guests.
$$$Hot Springs, Arkansas
A day spa on Central Avenue in Hot Springs with outdoor mineral soaking tubs, cold plunge, infrared sauna, massage and an on-site café.
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