10 of the World's Most Dazzling Natural Hot Springs

Iron Hot Spring

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iron hot spring bonsai photo
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The steam from this natural iron hot spring (the iron is what makes the water red) in Japan creates an otherworldly background for the traditional bonsai tree in the foreground.

Hot springs are a common site in Japan, where they "bubble up everywhere," according to the country's tourism board -- the country has more than 2,500 of the springs, which measure somewhere between 68 and 211 degrees Farenheit -- and they're a social activity that's believed to have health benefits ranging from improving skin to battling aches and pains.

Photo: Wikimedia Commons

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