I'll start with my hometown, Buffalo.
1) Why did vinyl siding and decorative iron railings become so prevalent in the Buffalo area, compared to other "frame cities" like Cleveland, Rochester, Syracuse, and so on?
2) If everybody thinks Buffalo-style pizza is so damn awesome, why don't any local pizzerias make a go at franchising? The only place you can find Buffalo-style pizza outside of Erie and Niagara counties is in expat-owned pizzeras in Las Vegas, Charlotte, Atlanta, etc.
3) What is it with residents of the Eastern suburbs, lawn ornamaents, and putting their initials on their houses? "It's a Polish thing" doesn't quite seem to explain it. Why would it be a Polish thing?
4) Why is EWTN on a low channel on the basic tier on Time Warner Cable in Buffalo, when it's up around channel 690 or whatever in most other cities? I know Buffalo is very Catholic, but do enough people watch it to justify such a prominent location?
5) Are there still any milk machines anywhere in the city? They used to be everywhere.
6) Why do so many commercials on local TV have cheesy jingles, many of which play through for the entire 30 second duration? This is a Buffalo/Upstate thing; I seldom heard catchy jingles for businesses like medical care supply stores, funeral homes, and garage door installers outside of the region.
7) Zubaz. Why is it still so popular in Buffalo?
8) Ditto aftermarket landau/vinyl roofs on cars. Buffalo and Detroit are the only places I see them now.
9) Why do hipsters hate on Amherst so much, but not Tonawanda, Cheektowaga, Lancaster, West Seneca, Clarence, Orchard Park, or any of the other suburbs? Amherst is Buffalo's most ethnically diverse suburb, and it's not as wealthy as people think; Millerport Highway is as much of a dividing line between rich and poor in Amherst as Main Street is in Buffalo.
10) What runs through the minds of people that open new pizzerias? Are they really thinking "You know what Buffalo needs? Another pizzeria that serves Buffalo-style pizza! Folks can't seem to get enough of it! I think I'll make the business hours different every day of the week, too. People seem to like that."