Experience the healing waters of Budapest's Széchenyi Medicinal Baths, one of the largest medicinal baths in Europe. Relax in the warm thermal waters and enjoy the unique atmosphere of the baths, which have been in operation since 1913. Take advantage of the various treatments available,
From Wikipedia
The Széchenyi Medicinal Bath in Budapest is the largest medicinal bath in Europe. Its water is supplied by two thermal springs, one at 74 °C (165 °F) and the other at 77 °C (171 °F).