- Esalen Institute - Big Sur, CA
 - Known for its blend of East/West philosophies, its experiential/didactic workshops, the steady influx of philosophers, psychologists, artists, and religious thinkers, and its breathtaking grounds with natural hot springs. - Glen Ivy Hot Springs Spa - Corona, CA
- Facials, waxing, manicures, body treatments, Club Mud, online cosmetic products, bath oils, shampoos, clay, and more.
- Lava Hot Springs - Lava Hot Springs, ID
- Resort offers mineral pools, massage, and swimming complex. Once enjoyed by Native Americans and pioneers.
- Marshall Hot Mineral Baths - Truth or Consequences, NM
- Has sulphur-free gravel bottom pools that range in temperature from 105-112°F.
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