Dune lines in Hat Head National Park, New South Wales, Australia By *omnia* on Flickr repinned www.facebook.com/loveswish
Chocolate Dunes, Alone, the Empty Quarter Desert in Abu Dhabi, UAE, by Khalid Alhammadi.
Pamukkale, meaning "cotton castle" in Turkish, is a natural site in Denizli Province in southwestern Turkey. The city contains hot springs and travertines, terraces of carbonate minerals left by the flowing water. (by Never House)