Some Detroit-area street names that often throw non-natives:
Gratiot - pronounced GRA-shit, not GRA-ti-ot
Livernois - LI-ver-noy, not LI-ver-noiz
Goethe - GO-thi (sorry, German-speakers)
Schoenerr - SHAY-ner
And of course di-TROYT, not DEE-troyt or day-TWAH

I'm sure there are others, but they don't come to mind right now.