Costa Rica's spas take rejuvenation seriously. Nestled beneath exploding volcanoes and buried deep within rainforests, these ten best spas are home to giant jaccuzzis bubbling with thermal hot springs and open-air treatment bungalows befit for kings and queens. Splurge on a volcanic mud wrap at the world class Four Seasons Costa Rica at Peninsula Papagayo, soak up the mineral rich hot springs beneath the Arenal Volcano at Tabacon Grand Spa, indulge in a chocolate foot massage made with fresh organic cacao at Pure Jungle Spa, and boost your essential energies through hot stone therapy at Florblanca Resort's Spa Bambu. Each of these spas offers luxurious experiences enhanced by Costa Rica's wealth of natural ingredients in their treatments. Recognized with awards from the likes of Conde Naste and National Geographic, Costa Rica's best spas consistently win high accolades for their exceptionalism and eco-friendly practices; many display the green leaf symbols of sustainability. Yoga enthusiasts will find kindred spirits within Costa Rica's best spas, where practice often takes place to the sights and sounds of the rainforest, which may punctuate the otherwise peaceful ambiance favored by these exclusive sanctuaries; you may even find yourself locking eyes with a howler monkey during your massage.