white sands national park with yucca and dunes along alkali flats trail in evening light, alamogordo, new mexico

sand landscape plant lake white sands national park yucca dunes alkali flats trail evening light alamogordo mexico early brings structures ripples structure heart gypsum dunefield dune field protected southern usa north america desert nature natural environment hike hiking outdoor outdoors crest scenery survival harsh plants west western sandy southwest southwestern striking windy yuccas shadow sun sunshine blue sky pristine united states wind monument