About Snag: Snag's bowl-shaped valley let freezing air settle and deepen on clear nights. On its record day, ice fog hung in the air and voices carried astonishingly far. It still holds North America's all-time cold record. People said their breath fell to the ground as tiny ice crystals with a hiss

Location: The Yukon Territory of northwestern Canada · Country: Canada · Record: −63°C (−81.4°F) in 1947 the coldest ever in North America · Why So Cold: A bowl-shaped valley where freezing air pools on calm, clear nights · Nature: Snowy northern forest and frozen rivers · People: Once a small airfield and settlement, now abandoned · Notable Feature: On record-cold days, sounds carried for miles in the still air · World Rank: Holds the coldest temperature ever recorded in North America