10 of the World's Most Dazzling Natural Hot Springs (Slideshow)

grand prismatic spring intro photo

Photo: Wikimedia Commons

The same geothermal heat that can help you reduce your electricity bill is responsible for some of the world's most stunning natural wonders: Hot springs.

When hot water bubbles up through the Earth's crust, the resulting pools are soothing, mineral-rich springs that have been used for medical, therapeutic, and spa treatments for centuries -- and also leave behind minerals and sediment that create dazzling landscapes.

worlds most dazzling hot springs

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