Best Places to Cool Off

From natural swimming holes to man-made fountains, take the edge off the dog days of summer with our picks for the best places to cool off in the U.S.

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Photo By: City of Chicago

Photo By: Missouri Division of Tourism

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Photo By: Jen Davis

Photo By: Aimin Tang/iStock/Getty Images

Photo By: Noah's Ark

Photo By: Robert Thigpen

Photo By: William Thomas Cain/Hulton Archive/Getty Images

Photo By: Schlitterbahn Waterparks and Resorts

Photo By: Doug Kerr

Photo By: Hawaii Tourism Authority/Tor Johnson

Photo By: Brownstone Exploration & Discovery Park