More Interesting maps http://www.nbcnews.com/id/17722026#.UVIHy1sjrF8 http://www.the-map-as-history.com/ http://www.flashearth.com/ http://map.wisc.edu/ http://www.zillow.com/homes/22030_rb/ http://maps.utwente.nl/index2.php?lang=nl http://www.nytimes.com/interactive/2009/04/07/us/20090407-immigration-occupat... And The National Map viewer courtesy of USGS: http://viewer.nationalmap.gov/viewer/ (a friend who works at USGS would love feedback on their new updated product)