All the toys here:
http://www.therme-badwoerishofen.de/I don't think there is physically a hotel on the site, but they have a link to all the local hotels which of course cater for punters.
As it happens it's quite a pleasant way to spend a few hours, but I kept feeling like an extra out of "One Flew over the Cuckoos Nest". Everyone wanders around looking like they have had their brains sucked out. But it is actually very nice and I am looking forward to my next visit.
I went with my sister a couple of months ago, and we got the giggles 'cos being "English" we accidentally went into the kit-off enclosure and legged it very sharpish. They make the whole place kit-off I think on a Saturday evening for those that like that kinda thing.
This picture from their website is a long long way from reality I might add: