Midnight sun - Summer activity in Tromso As summer season techniques, there's a specific holy phenomenon that waits for in the Polar circle: the Midnight Sun. Tromsø, situated in the heart of this mystical area, comes to be a phase for this breathtaking phenomenon, where the sun doesn't established for months, casting an ethereal radiance over the city as well as the surrounding landscapes. With Arctic Cruise in Norway, you can study this all-natural marvel, experiencing it from the land, sea, or in lasting style.