^Looks like a great place to do some photography!
Some from a recent trip to Great Sand Dunes NP:
4x5 Velvia:
Great Sand Dunes - 4x5 Velvia 50 by Zach Boumeester, on Flickr
Great Sand Dunes NP by Zach Boumeester, on Flickr
Abstract look at the dunes:
Abstract Great Sand Dunes by Zach Boumeester, on Flickr
Great Sand Dunes by Zach Boumeester, on Flickr
Great Sand Dunes NP by Zach Boumeester, on Flickr
Great Sand Dunes NP by Zach Boumeester, on Flickr
Great Sand Dunes NP by Zach Boumeester, on Flickr
Great Sand Dunes NP by Zach Boumeester, on Flickr
Great Sand Dunes NP by Zach Boumeester, on Flickr
Great Sand Dunes NP by Zach Boumeester, on Flickr