Castle Mountain in winter, Banff National Park, UNESCO World Heritage Site, Alberta, Canada, North America

travel destination photography horizontal colour image outdoors unesco world heritage site unesco national park physical geography landscape scenics non urban scene cloudy sky sunlight mountain dramatic landscape tranquil scene beauty in nature nature no people canada north america alberta winter extreme terrain snow cold temperature frozen wilderness banff national park castle mountain majestic natural landmark tree dawn colour image colour color image color outdoor outside tourist destination travel nobody no one no one landmark place of interest topography scenery scenic scene scenes picturesque the natural world tranquility serene serenity peaceful unesco world heritage site unesco world heritage sites unesco world heritage site world heritage sites sunrise morning