1/4Travel to Polar RegionsIceland is a popular spot for polar travel, where soaking in thermal springs is a way of life. // © 2015 iStockPreviousNext2/4Travel to Polar RegionsSweden’s Icehotel is the largest of its kind in the world. // © 2015 Alessandro Falca & Anna Sofia MåågPreviousNext3/4Travel to Polar RegionsGreenland expeditions sometimes offer polar bear viewing. // © 2015 iStockPreviousNext4/4Travel to Polar RegionsIn Alaska’s far north, bush plane is the best way to get around. // © 2015 iStockPreviousNext