NYC timelapse JAN 15 2010
Watch the moon rise, planes land, smokestacks smoke, traffic pulse, and the sun rise.
Update: Coates posted an HD version of the same video.
Update: Here's another NYC timelapse, this one by Dale Short. He also made a timelapse of the construction of the Cooper Union Academic Building:
This is two and a half years of construction at about 4 frames per day up until May 24, 2009.