"....Nestled in southern Colorado, North America's tallest dunes rise over 750 feet high against the rugged Sangre de Cristo Mountains. The wind-shaped dunes glow beneath the rugged backdrop of the mountains. This geologic wonderland, containing over 30 square miles of massive dunes, became a national monument in 1932 and designated a national park in 2000...."

It was quite a surprise when we had to wade through Medano Creek in order to reach the dunes.