Széchenyi Termálfürdő (Széchenyi Thermal Bath)
The Széchenyi Medicinal Bath in Budapest, built in 1913, is the largest medicinal bath in Europe. Its water is supplied by two thermal springs, their temperature is 74 °C (165 °F) and 77 °C (171 °F), respectively. At around US $15 for a full day, admission is very affordable and includes a locker and access to all of the indoor and outdoor pools, saunas, steam baths and the gym.
Published by National Geographic.