Climb aboard an icebreaker, and explore the wondrous facets of the Arctic Circle, from staggering fjords to sparkling glaciers. You can drink in the Midnight Sun, journey along early paths of the ancient Vikings, and even catch a glimpse the Northern Lights. Royal Caribbean, Quark Expeditions, Viking Ocean Cruises, and other cruise liners offer multiday adventures into this dreamy region. Just be sure to pack your puffiest Winter coat.