Everyone knows that Americans don't exactly agree on pronunciations.   

Regional accents are a major part of what makes American English so interesting as a dialect.

Joshua Katz, a Ph. D student in statistics at North Carolina State University, just published a group of awesome visualizations of Professor Bert Vaux and Scott Golder's linguistic survey that looked at how Americans pronounce words. (via detsl on /r/Linguistics) 

His results were first published on Abstractthe N.C. State research blog.
Joshua gave us permission to publish some of the coolest maps from his collection.