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MT – Day 4 – Evans Plunge, Hot Springs, SD

2 photos in this post. First built in 1890, Evans Plunge is certainly a unique place! It is the world’s largest natural warm water indoor swimming pool with the temperature consistently at 87 degrees Fahrenheit year-round! 5,000 gallons of water flow from the mineral springs every hour, coming up through the “vents” in the pool’s bottom. If you go expecting a regular pool you are... read more

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