Check this out. It’s the top 200 sites on the web, visualized as a subway map, where the lines are trends and the stations show supplemental information, such as the momentum of the site.
It’s very creative and quite interesting; it’s produced by a Japanese firm called Information Architects. Go here for IA’s blog post on this. Go here for my favorite version, the interactive clickable one.

other strange world web map here :http://explomap.free.fr/?p=5