Location: White Sands, NM / Settings: (Composite) Light art at F7.1, ISO 50, 547 seconds. Sky at F3.5, ISO 1600, 13 seconds.
White Sands New Mexico is a wonderful place to visit in person, it's not like most dunes on Earth. At around 275 square miles, White Sands is the largest gypsum dune field in the world.
White sand reflects light and can be seen as slightly peach, blue, or purple depending on what time of day you visit.
Coral Pink Sand Dunes in Utah is a dune of a different color. Made of wind-swept Navajo Red Sandstone, grains of iron-tinted quartz give it the reddish color. Here's the meager contents of my wallet for color comparison:
One of the most interesting features to sand dunes is the patterns they can develop during strong winds.
Here are some unadulterated dunes on my last visit to Death Valley at the Mesquite Dunes:
For more incredible landscapes, check out my Nature Collection.