Hot Springs Lodgings: Rogner Bad Blumau in Styria, Austria
Ecologically minded architect Friedensreich Hundertwasser designed this compound’s central spa, living roofs, and buildings topped by onion domes. A portion of your bill goes to the World Wildlife Fund.
Rogner Bad Blumau, 43/(0) 33-835-1000, from $187 per person, including two meals. This appeared in the December/January 2010 issue.