A spectacular red and green aurora borealis lights up the night sky over Bavaria, Germany. This unusual northern lights display, above the silhouetted forest, occurred during the Autumn of 2003.
The northern lights explode over a snowy mountain range in Alaska, resulting in a dramatic, green sky. Visitors to the arctic can expect a dramatic environment with powerful extremes.
A dramatic multi-colored aurora borealis lends a watercolor effect to an early morning sky in Michigan. Pink, green, and bright white lights dramatize leafless October trees.