Note: I wrote this over two years and never published it. I have dozens of draft posts like this just gathering dust because of my crippling perfectionism and self-doubt. I'm going through and posting the ones that are still relevant. Hopefully the links still work.
I'm a huge data visualization nerd and I've been compiling a list of my favorite data viz sites in a google doc for several years now. Thought I'd share it with the world:
Infographics:
http://anothera.net/v2/articles/25-stunning-examples-of-infographic-design
inspiredm.com/20-essential-infographics-data-visualization-blogs
igraphicsexplained.blogspot.com
infographnl.wordpress.com (Dutch)
http://blog.infografiker.com/ (Dutch)
Diagrams and Maps:
www.scimaps.org - science “maps”
http://chartsbin.com - statistics
Critiques:
http://junkcharts.typepad.com/junk_charts/
http://cartastrophe.wordpress.com - bad maps
Various Data Visualization:
http://www-958.ibm.com/software/data/cognos/manyeyes/
bimeanalytics.com/blog - analytics + infographics
Artistic:
webdesignerdepot.com/2009/06/50-great-examples-of-data-visualization
smashingmagazine.com/2007/08/02/data-visualization-modern-approaches
http://www.edwardtufte.com/tufte/
Tools: