Sunset at Castle Mountain with frozen Bow River in winter, Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

travel destination photography horizontal colour image sunset unesco unesco world heritage site no people national park non urban scene landscape physical geography scenics river water mountain majestic north america winter cold temperature frozen canada canadian rockies mountain range alberta bow river banff national park castle mountain tranquil scene tree beauty in nature natural landmark alpen glow reflection snow clear sky sunlight places of interest outdoors colour color image color outdoor outside tourist destination travel nobody no one no one topography scenery scenic scene scenes picturesque the natural world tranquility serene serenity peaceful reflecting reflected unesco world heritage sites world heritage site world heritage sites sundown dusk twilight