I am a sucker for time-lapse and slow motion film. There is just something magical about seeing the world move at a different pace. Here are a few of my favorites, some old, some new. Alas, often it's ads that tend to get the budgets to make these things.
Schweppe's ad shot at 10,000 frames per second!
Canon Pixma ad
Sony Bravia ad
Bathtub IV by Keith Loutit: time lapse and tilt shift photography
Kuroshio Sea: This one isn't actually slow motion, but it feels like it.