Ved grotteterapi utnyttes den spesielt rene luften i nedlagte gruver. Også den radioaktive edelgassen radon gir løfter om helbredende virkninger.
Bad Kreuznach is widely regarded as one of Germany's finest health spa resorts. Here radon therapy has been used to relieve complaints for 100 years.
Visitors to the foothills of the Swabian Alb can enjoy the delightful countryside, discover the benefits of the health mine and unwind in the Limes thermal baths in Aalen.