Taco Bell. Unlike any other Taco Bell I've been to in the entire United States, for some reason they give you the mild/hot/fire sauce at Window #1 (where you pay) instead of Window #2 (where you pick up your food). If you want sauce, be sure to ask for it while you pay.
Wikipedia article:
http://en.wikipedia.org/wiki/Taco_bellCategory:
restaurant bell taco