When you want authentic barbecue but can't make it at home, the best thing to do is go to that local barbecue joint -- you know, the one that looks like it's been there forever. It might be a little grungy, but you know the food is going to be great. Whether you've been looking for that perfect barbecue joint or want to find out if your favorite one has made the cut, check out the slideshow below. We've got the top 20 barbecue joints in America with Zagat's stamp of aproval.
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