February 3, 2015

Blue Lagoon, Iceland

Photograph by Cultura Travel/Henn Photography/Getty Images

The famously bright waters of Iceland's geothermal Blue Lagoon, near Reykjavik, lure visitors wishing for a warm and healing soak. Water from a nearby geothermal power plant is pumped over a lava bed rich in silica and sulfur, creating the mineral-rich basin.

See incredible pictures of Iceland's mysterious landscapes >>

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