Magnetic Movie is a film by Semiconductor. They made magnetic fields visible in a very nice way, 3D CGI at its best, while scientists from NASA’s Space Sciences Laboratory excitedly describe their discoveries. Watch it!
EDIT: To set things straight, this video is a 3D CGI visualisation of how magnetic fields could look like. It is not real, just a mix of video footage with computer generated imagery.
Here is the full version.