HistoryShots is a boutique infographics shop specializing in timeline visualizations of history. I was taken with their History of the Political Parties:

It neatly summarizes the ebb and flow of the parties' dominance over the years, combined with tabular information, all presented in a retro style. It's like Edward Tufte without the self-congratulation.

For much more like this, check out information aesthetics, a blog devoted to information visualization.