3Norilsk, Russia

Norilsk is one of the most northern cities in the world, located above the Arctic Circle. The city experiences harsh winters with temperatures averaging -30°C (-22°F). Snow covers Norilsk for about 250 days a year, and the polar night lasts for several weeks during winter, where the sun doesn’t rise at all.
Despite its cold climate, Norilsk has a rich industrial history, primarily known for its nickel mining.