hundred year-old bathtubs of warm healing mineral waters with sunset views over the red desert and a banjo player serenading me as I soak– Mystic Hot Springs, Monroe Utah. The spring has been flowing continuously here in Monroe, Utah for millions of years, coming out of the ground at 168 degrees Fahrenheit (75 degrees °C) at 200 gallons a minute.
The Crater at the Homestead Resort in Utah is a geothermal spring, located in a crater in a limestone cave, that stays at a constant 90-96 degrees year round. Swim for $11 during the week and $16 on weekends. Scuba diving is also available (the pool is about 70 feet deep).