New Zealand's Southern Lights, Aurora Australis. I swear my eyes teared up at the sight of this picture, and I see the Northern Lights (Aurora Borealis) here in Finland almost every year (I live in the south).
Essentially, you affix crayons to the top of a canvas, and blast them with a hair dryer. Watch as the colors bleed down the canvas, creating a beautiful, colorful mess! I can imagine this being a great project to hang in a child's room. This is very cool!