Rich Aschmann has created a very cool of the United States, with extensive audio samples included. Check it out.

Amazing. I note there is no segregation for Valley Girl speak, but for some reason it seems to transcend geographical boundaries; I mean, there are teenage girls here in British Columbia using it...

I grew up in the border area of SE Texas/SW La. It was a very interesting juxtaposition of contrasting accents and languages, including lowland South, Cajun English, Cajun French, and even Spanglish.

folk you've heard nothing like a northern minnesota finnish/swede.norwegian dialect ! puts the accent from the movie "Fargo" to shame- the cadence and sing song effect is tough even for a southern minnesotan to decipher- especially the local old timers ? ya nod your head and smile- geo must be familiar with this dialect

i recall sitting in a us army reception barracks and listening to all the different sounds- the consensus was "i don't sound funny ! you sound funny"- and yeah that's where i first heard the word "soda" and assorted other slang- damn i thought it was called "pop"