On Greenland’s western coast, north of the Arctic Circle, craggy mountains loom above deep blue waters, and icebergs are still common. Yet with few trees or flowers brightening the scene, the color palette can feel monotonous, especially during the long winter.So it’s especially uplifting when you come upon Ilulissat, a collection of low-slung buildings painted in vibrant hues of red, blue, and yellow. It’s one of many beautiful towns that have sprung up on coastlines around the world—and…
