When I visited AT&T Labs last month, I saw some beautiful poster-size maps from Yifan Hu, visualizing structures in large data sets. Here's TV Land:
The research is by Emden Gansner, Yifan Hu, Stephen Kobourov, Chris Volinsky, and you can download their article and more maps at the above link.
I find it statistically relevant and utterly appropriate that The Match Game, which may in fact be the greatest TV show of all time, is squarely in the middle of the map.