Photo: Daniel Schwen/500px
A man kicks up sand behind him as he dashes down the side of a dune on a hot June day in Sand Dunes National Park and Preserve, an 150,000-acre government-protected sandbox in southern Colorado. Though it's known for its sand dunes — the largest in North America — the park also contains a diversity of ecosystems.
* * *
Related content on MNN:
-
8 creepiest places in U.S. national parks (including Sand Dunes!)
-
Want to see more great photos? Check out MNN’s photo blog
