Lit by the rising sun, The Castles rock formations stand above snow-dusted mountainsides in the West Elks Wilderness near Gunnison, Colorado.
Against a clear, blue sky, aspen branches display the bright yellow leaves of autumn.
Amid the orange grasses of autumn, a single pine tree stands next to a winding, snaking branch of the East River near Gothic Road, Crested Butte, Colorado.
