A great thread in the Lonely Planet forums from earlier this year talks about the worst American airports. As most threads like this go, opinions are all over the map, though there are some useful tips to be had from savvy travelers on making the most of the more crappy terminals around the country. I personally have never been fond of the United section of Washington Dulles - its long, narrow and very difficult to navigate when crowded. What's your worst airport and/or terminal?

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