Spas are not what they used to be. Gone are the days when Balinese massages and rejuvenating facials were the most deluxe treatments on offer. Today’s spa – now dubbed “wellness clubs” – are akin to medical clinics and have doctors on the payroll to prove it. Wellness clubs’ offerings extend as far as full-body scans, blood tests, mammograms, and more. That said, it’s not all about poking and prodding. The saunas, steam rooms, fitness classes, pools, body and facial treatments, and all the other fundamental elements of old-fashioned spas, remain. The following five wellness clubs, spread all over the world, are the best of the best – and you’d be remiss not to give them a chance. Surrenne Located in Belgravia, one of the chicest neighborhoods in all of London, Surrenne is a very exclusive wellness club. While it is part of the luxury hotel The Emory, not all guests can access it – it’s a members-only space. And the membership doesn’t come cheap: It starts at £10,000 (around $12,930) per year, and newbies need to pay a £5,000 ($6,465) joining fee. Yes, that is steep. But the high price may be worth it if you want to take…