Stock photography, photos: 1AD2 Waterton Lakes NT PK Alberta Stock photos of Alberta skies.Waterton Lakes National Park, AB. Canada Photograph: © Troy Parlee Click for a larger image and more information Keywords associated with this stock photo: Prairie, plains, night, nightfall, twilight, eventide, dark, darkness, dim, duskiness, bedtime, witching hour, midnight, night time, evening, eve, silhouette, outline, black, pink, orange, red, blackness, timeless, dusk, sky, clouds, sunset, overcast, stormy, unsettled, Waterton Lakes National Park, Alberta, Canada, west, western, landscape, scenic, scenery, North America, color, colour, cloudy, outdoors, quiet, peaceful, peace, tranquil, remote, desolate, lonely, alone, nature, natural