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Don t go chasing waterfalls © Edwin Verin/Alamy
The stunning limestone travertine steps of Beaver Falls are the last in a series of five waterfalls along Havasu Creek, near the bottom of the Grand Canyon. The water gets its turquoise color from calcium carbonate, which reflects the beautiful hue and creates an ever-changing tableau; the minerals are deposited, moved, and redeposited to create new formations.