Grand Resort Bad Ragaz, Switzerland
Europe is home to many beautiful "spa towns," which offer visitors an opportunity to relax and rejuvenate in natural hot springs, therapeutic pools, and luxurious spa facilities. Each of these spa towns is home to several spas and wellness centers that offer a variety of treatments and facilities. Here are some of the best spas in each of these towns:
1. Bath, England:

Bath is known for its beautiful 18th century Georgian architecture, including the Royal Crescent and the Circus. The Thermae Bath Spa is one of the most popular spas in Bath, featuring indoor and outdoor pools, a rooftop pool with stunning views of the city, and a range of spa treatments. Bath has been a spa town since Roman times, when the hot springs were first discovered and used for their healing properties. The town's Roman Baths are among the best preserved remains of the Roman Empire in the world, dating back as the year 70 AD, and the town's history and stunning architecture have earned the designation of being a UNESCO World Heritage Site.
2. Karlovy Vary, Czech Republic:
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Medical tourism (translation: plastic surgery) is booming business in Karlovy Vary, but this town has traditionally been known for its beautiful location (photo above), the historic spa buildings, and the many hot springs in the area, the largest shooting 40 feet into the air at 160 degrees F. Spa hotels abound in Karlovy Vary, and the Grandhotel Pupp is one of the most luxurious. Wellness is serious business here--look at this menu of spa services.
3. Montecatini Terme, Italy:

This Tuscan town is famous for its beautiful Art Nouveau architecture, tree-lined avenues, and well-manicured gardens. The Tettuccio Terme (photo above) and the Excelsior Terme are two of the most popular spas in Montecatini Terme, offering a range of treatments and facilities in beautiful Art Nouveau buildings. The Grotta Giusti is another popular spa option, featuring a thermal cave and a range of spa treatments.
4. Baden-Baden, Germany:

Baden-Baden's beautiful spa facilities include the Friedrichsbad, a Roman-Irish bath that features stunning mosaics, frescoes, and marble columns, and the Caracalla Spa (photo above), with its stunning pool. The town's location in the Black Forest adds to its natural beauty, with plenty of hiking and outdoor activities nearby.
5. Evian-les-Bains, France:

Located on the shores of Lake Geneva (that's the British name; locals know it as Lac Léman), surrounded by beautiful mountains, this town's boasts ornate Belle Epoque architecture, including the historic Hotel Royal and the Casino d'Evian. The Evian Spa at the Hotel Royal is one of the most luxurious spas in Evian-les-Bains, offering a range of treatments and facilities in a beautiful Art Deco building. The Thermes d'Evian and the Thermes de Thonon are other popular options, featuring natural hot springs. And yes, this area is the source of Evian water, and the water is used for medical treatments.
6. Spa, Belgium:

The concept of a "spa" as a place for bathing in mineral waters to promote healing, it's true, the concept began here, in the town of Spa, Belgium. This town's natural beauty comes from its location in the forests of the Ardennes Mountains, and the historic spa facilities, including the Thermes de Spa (photo above) and the Les Bains de Spa, are famous for their healing spring waters for bathing and drinking. Many of the mineral springs produce naturally sparkling water.
7. Székesfehérvár, Hungary:

Hungary is world-famous for its baths, most notably in Budapest of course. While you're there, take a trai to Székesfehérvár (known as just Fehérvár among the locals, pronounced "fe-HAIR-var"), a historic town in the heart of Hungary, surrounded by rolling hills and vineyards. The town's spa facilities, such as the Arpad Bath (above) and Anna Grand Hotel and Spa are known for their thermal waters.
8. Vichy, France:

Vichy is known for its beautiful Art Deco architecture, including the stunning Opera House and the elegant Grand Casino. The Vichy Celestins Spa Hotel is one of the most luxurious spas in Vichy, offering a range of treatments and facilities in a beautiful Art Deco building. The Les Célestins Spa is another popular option, featuring natural hot springs and a range of spa treatments.
9. Opatija, Croatia

Opatija has been a popular spa town for over 100 years, drawing visitors to enjoy the mild climate and the gorgeous beaches of the Adriatic Coast. In the late 19th and early 20th centuries, Opatija became a fashionable resort for the Austro-Hungarian elite, and many grand hotels and villas were built in the town. Thalassotherapy Opatija is one of the largest and most popular spas in Opatija, and has a more medically influenced care model than other spa retreats. The spa in Hotel Bristol offers as traditional spa treatments, and a range of medical treatments of rheumatism, arthritis, and other chronic conditions, using natural healing methods.
10. Bad Ragaz, Switzerland:

Located about an hour east of Zurich by train, Bad Ragaz is famous for its thermal waters, which have been known for their healing properties since the Middle Ages. Today, Bad Ragaz is home to the magnificent Grand Resort Bad Ragaz, featuring a historic indoor thermal pool for guests only (photo above), and also the famous Tamina Therme, an indoor-outdoor thermal pool that is popular with local residents (photo, top of this story).