Good Inforgraphics
http://www.good.is/infographics 

Fast Company
www.fastcompany.com/tag/infographic-day 

Pop Chart Lab
popchartlab.com

Type in Inforgraphics
http://inspiredm.com/10-coolest-typographic-infographics/

Class Example of World Population
http://www.upack.com/press/population-growth/