Popsugar Lifestyle National Geographic National Geographic's Best Beaches on Earth The 21 Most Amazing Beaches on Earth 29 January, 2017 by Macy Cate Williams 22 Shares View On One Page Photo 14 of 21 ADVERTISEMENT () Start Slideshow A photo posted by Matthew Thomas (@riversma) on Nov 28, 2016 at 12:56pm PST Share This Link Copy ← Use Arrow Keys → 14 Reynisfjara Beach, Iceland Previous Next Start Slideshow National GeographicTravel InspirationTravel