We need some of these in the States! Miami to be more specific.
Switzerland too.
http://www.club-globe.ch/main/index.html
While this is a list for Germany the same site has world wide locations
http://www.21orover.com/discus/messages/43/61854.html?1177493592
Check out this page for details on what goes on in clubs http://www.fkktour.com/
Yes as I know it.
I believe there are some similarly styled clubs in the Czech Republic, although I have never been to one there myself.
You can find "close enough" in AT, BR, BE and CZ. A little bit less closer in AU and NZ (legal brothels).
Most of the ones in the US are called "Health Clubs" or "Bathhouses." Most are gay, but a few are bi-sexual or straight. There used to be a ton of them, but many closed in the late eighties after AIDS became an issue. Most of the ones in the US aren't pay for play. You meet up with others for sex for free. The ones in Germany and other areas of Europe have working girls and you pay for sex, which is perfectly legal, because their governments aren't run by Evangelical assholes. Here in the US, some have working girls who frequent them and work on the sly. It's like going into a casino in Las Vegas. The working girls will pretty much solicit you. You'll be able to tell easily which gals in the "bathhouses" and "health clubs" are working. It's pretty obvious. There's a famous one in Detroit called the Schvitz Club. I don't know if it's still around, but it was legend.
When I was in Paris, we went to one called a sauna club, but it was really a naughty club.
In the UK, they're called health spas or naturists clubs.
In Florida, in the Tampa Bay area, there's Deja Vu, 2001, The Gold Club, Thye Penthouse Men's Club (gay), Scarlett's, Secret's, Club Tampa Bathhouse, and Ybor Strip. As for Miami, the only place I've played there was a gloryhole at Sensations Video. I've heard of Miami Velvet, which is for hookups, but I think it's more of a club.
Unfortunately, most of them are gay and constantly hassled by their local health departments.
A lot of the brothels in Nevada have sauna type spaces.
It will be eons before the US has evolved from its puritanical roots enough to allow such pleasures as FKK clubs.
Cadence..you can start one with some other lovely ladies in Chicago. You have the infrastructure 
I have the chef's kitchen for preparing a great piece of meat. I love a good, hot piece of meat. Then, there's my spa tub and air tub with chromatherapy. I could host a gaggle of providers, one of each type, to satisfy every taste. I think you're onto something, asiantantric.
They are in Czech Republic, Germany, Switzerland, and Austria that I know of for sure. I have been to one in each of those countries.
Is there one in DC??? oh please say yes...if not then darn it, we need one!!
Yes, there is one on Capital Hill, it's called the US Congress. They're screwing eveyone every which way!!!!!
Isn't Tootsie's close enough lmao? My last fling there, I encountered a stunning 20yo all natural 6' blonde with 40DDs from Cannes, France. We had some safe fun in the back for $275 inclusive....pricey by FKK standards, but that's the admission price for risking a lewd conduct charge in S. Florida.
Germany, by comparison, that $275 will get you entry, feed you and get you naked with two hotties of your choosing for a half hour each, and you'll have some change left over as well.
Try
21orover.com
fkktour.com
and set up a licensing and health inspection scheme as Germany has for FKKs, then it might happen.
Given the magnitude of the state budget mess in California, Arnold should propose opening up 400 FKKs around California. California residents would pay $10 to the state on top of the admission price, while out-of-state visitors would pay $30.
With good marketing, a California FKK should attract 1000 hobbyists day, so generate $10,000-$40,000 in revenue for the state. 50 FKKs would bring in $500,000-$2,000,000 in state revenue a day. That is $180,000,000-$720,000,000 a year! Plus there are substantial savings in not having to enforce laws against prostitution, prosecute women for prostitution nor put them into an over-crowded prison system. Rather than spend funds in those areas, police and prosecutors could focus on other areas and prison over-crowding would be less serious.
Every financial crisis has a silver lining!
After the Superbowl, the winning quarterback would be filmed saying "I'm going to California!" and wink. Arnold could appear on ads and say "Come to California. You will enjoy it! Come on, come!"