10. Glenwood Hot Springs Lodge and Pool
Location: Glenwood Springs, Colo.
What's Cool: World's largest outdoor mineral pool
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Most people associate outdoor pools with summertime, but the outdoor pool at Glenwood Hot Springs is open year-round and offers a pristine, postcard-perfect setting to end the perfect ski run. Covering more than two city blocks with natural mineral water at 90 degrees, this pool is a hit in sunshine or snow.
If visiting in the winter you may find ski bunnies unwinding after a long day on the slopes, while in the summer you can enjoy the lodge's water slide. Not hot enough? Another, smaller, therapy pool holds water up to 104 degrees.
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