Blue Lagoon in Iceland
Puripat Lertpunyaroj/Shutterstock It’s not hard to believe that this stunning turquoise pool has been considered a world wonder by National Geographic. Iceland’s Blue Lagoon is a man-made open air spa comprised of mineral-rich water and silica-rich geothermal mud. Located just 30 minutes from Reykjavik, it’s a great place to spend a few hours applying its white mud on your face, which is said to give you radiant skin.
Poca da Dona Beija in Furnas, Portugal
Vicky SP/Shutterstock Would you be interested in soaking in natural springs heated by a volcano? If this sounds like an adventure to you, look no further than the Poca de Dona Beija in the Azores Archipelago, which gets up to 102 degrees. It’s widely known as the Paradise Pools, Well Water, and Youth Pools, thanks to its therapeutic skin-care benefits. (Need further inspiration? These travel quotes are sure to feed your wanderlust.)