Sheltering beneath a pine forest, at the foot of the Dune du Pyla, a nationally-listed site, you’ll be filled with wonder at the panorama before you: the Arcachon basin, the Arguin sandbank, the Dune du Pyla, the forest of Les Landes. If you’re interested in spending the night, the park provides camping sites. At first glance the White Sands National Monument looks more like a snow-covered winter wonderland than a…