Romania's largest year-round spa resort, 8 km from Oradea: thermal springs of up to 49 °C, open-air baths that run all winter and a reserve of water lilies and thermal lotuses.
Romania's oldest spa resort, recorded as early as AD 153, in the Cerna valley: hot sulphur springs, a Habsburg old town around the Hercules statue and free thermal tubs on the riverbank.
A spa resort more than two centuries old in a narrow valley of the Nemira Mountains: numbered mineral springs you drink from for free, a park with shaded paths and the 1894 Art Nouveau Casino.
A thermal and wellness complex on the edge of Bucharest, on the DN1: geothermal pools under a glass dome full of palm trees, water slides, saunas and a sandy beach open in summer.