Say what you will about Walmart, but it offers the best of people-watching opportunities short of going to the county fair. However, the county fair only rolls around once a year. Walmart is open 24 hours a day!!
I found this link in a comment over at Michelle's place. My unhealthy obsession with trailer parks aside, Walmart does run a close second to observations of the WT species. You know, in case there's no noteworthy activity in the trailer park, or I don't want to waste gas.
A mix of horror and amusement can be found on that site. Just make sure you haven't eaten just before you read the stories. If you have a weak constitution, you may blow chunks. And by chunks, I don't mean the family dog (named Chunks).