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Flickr/runekrem

With more vertical than Revelstoke and Whiteface stacked on top of each other, Chamonix—France’s oldest ski resort and home of the first Winter Olympics in 1924—is the world’s tallest. Fitting since it’s in the shadow of Mont Blanc, Western Europe’s highest peak. True, there’s no official piste from the top of Aguille du Midi cable car (12,605 feet), but there is the Vallée Blanche, a 12-mile-long run that’s a magnet for powder junkies everywhere. Beware: a guide is recommended since there’s no marked trail. But trail or no trail, it’s been called the best downhill run in the world.