Wandering around these sand dunes under the Milky Way, it looked like I had stepped into the Sahara Desert. But the freezing temperatures reminded me that I was still in Wyoming. The Killpecker Sand Dunes are actually the largest active dune system in the world outside of the Sahara. But the sand is spread out in many piles across 100 miles. They cross the Continental Divide at elevations over 7,000 feet. This pile was in Seminoe State Park. After shifting sand began covering this road, it had to be rerouted to the west. It was a strange feeling walking deeper into the dunes in the dark, as sand in every direction messed with my depth perception and I couldn't tell if I was going uphill or downhill. Strong winds during the day had cleared the dunes of all tracks left by humans or ATV's. It was a good thing the winds were calm now at 3AM because blowing sand and camera lenses do not go well together.