This spectacular natural light show is an awe-inspiring sight to behold. The Aurora Borealis, or Northern Lights, is a phenomenon that occurs in the Arctic Circle, usually during the winter months. The lights are caused by charged particles from the sun interacting with the Earth
From Wikipedia
The Arctic Circle is one of the two polar circles, and the northernmost of the five major circles of latitude. It is shown on maps of Earth at about 66° 34' N. Its southern counterpart is the Antarctic Circle.