Ginzan Onsen

Ginzan Onsen transports visitors to a fairy-tale world with its gas-lit wooden ryokan lining a 300-meter river gorge, most magical under winter snow. Its iconic five-story ryokan, like the 100-year-old Notoya, maintain bath temperatures at a steady 42°C from a single source. The snow-covered gas lamps are the town's signature draw, a look unmatched elsewhere on this list.