Considering the Hotel Haus Reichert in Baden-Baden?
A VT member wrote the following comment about visiting Baden-Baden:
Caracalla Thermal Baths by nhcram
More modern looking than the Friedichsbad. The bathing area has a large variety of bathing pools and a Roman saunascape with an outdoor area in the picturesque castle gardens. Prices vary according to how long you stay and there are parking facilities too.