Aurora Treealis by Ilkka Hämäläinen on 500px
See the northern lights in Alaska
Green Aurora Borealis. Or the Lifestream, take your pick.
Northan lights in iceland
The Northan lights
Myvatn Aurora by Mads Peter Iversen on 500px
The traditional places for optimum Northern Lights viewings are the northern reaches of Scandinavia, Finland, Iceland, Canada and Alaska