Barcelona, Catalonia
Adults-only thermal baths in a converted 18th-century building near Barcelona's Born market, with soaking pools, massages and couples rituals.
$$$
Thermal Baths
Historic and modern European thermal bath complexes.
4 spas match
Bio Azur Thalasso
Day SpaHammamet, Nabeul
Seafront thalasso spa in Hammamet Est with a thermal pool, 42 treatments, and day passes open daily from 8am to 7pm.
$$Hürlimannbad & Spa
Day SpaZurich
Thermal baths and rooftop infinity pool set in a former Zurich brewery's historic vaults, with a Roman-Irish spa ritual and day-pass access.
$$New York City, New York
Thermal bath circuit and massages in a restored 1883 Tribeca textile factory, with a skylit tepidarium and candlelit thermal pools; reservation required.
$$$