Kamalaya (kamalaya.com) has a long history of health and healing. Though opened only a decade ago in the dense jungle of Thailand’s Koh Samui island, the wellness retreat was constructed around an ancient cave that was used for centuries by Buddhist monks as a place for meditation. In January the resort added to this legacy with a new state-of-the-art fitness center, an 82-foot swimming pool, and six spa treatment rooms. Participants in Kamalaya’s many wellness experiences—which range from sleep-enhancement and fitness programs to Ayurvedic and detox treatments—can also now stay in the resort’s 16 new suites. Located on a hilltop overlooking the Gulf of Thailand, the freshly completed accommodations feature outdoor showers and large terraces perfectly suited for morning yoga sessions.