The New York times has a neat interactive campaign finance map. The candidates would do well to study the following informative maps too.
Maps of War has mostly silly FOX “news” style infographics, but History of Religion and Imperial History are both great.
You can map all sorts of indicators of globalization at Gapminder.
The National Snow and Ice Data Center has a map of the arctic isotherm and treeline. Watch this real estate — it’ll be booming unless the next president (see first map) ratifies Kyoto and turns our ship of state around.
And CIO has a purty map of who owns the internet.