The Aurora Borealis, otherwise known as the Northern Lights, are a mesmerizing, naturally-occurring phenomenon that draws several cruise ships to the Arctic Circle each year between September and March to give passengers an up-close view of the beautiful lights. Although the lights can be seen from different places and in different ways, here are some of our top picks for spots to see one of the greatest illuminations nature has to offer:

Alaska — The only US location to view this natural spectacle on a regular basis is Alaska. The cities of Anchorage, Fairbanks, and Denali are the best places to view the lights in Alaska, and since Alaska is in “the zone,” it is almost guaranteed that the lights will be seen from these places.

Denmark — With a unique combination of altitude and gases, Denmark is a great place to view the Northern Lights as they appear in a wider variety of colors due to the area’s chemical makeup. All islands within the archipelago are perfect to view the lights, and with a plethora of amazing activities in the area, your adventure will never include a dull moment.

Scotland — The British Isles are known for their stormy, foggy weather — conditions that hinder sky observation; however, when the sky is clear, Scotland is a great place to view the aurora borealis. In this area, the lights are all different shades of green, and the best places to view the phenomenon include Aberdeen, Isle of Skye, Northern Highlands, and Dunnet Head.

Canada — The northern border of Canada is a great place to view the lights. In areas around Lake Superior and Canada’s back country tundra, the sky is illuminated with a bright green light that lasts throughout the entire viewing season.

Greenland — The Northern Lights can be viewed in Greenland all year long, but disappear during the summer’s midnight sun. From the cities of Kulusuk and Ammassalik, the lights can be viewed optimally, deeming Greenland one of the best places to view the lights.