Answer: PITTSBURGH

AnswerCrossword Clue
PITTSBURGHPirates' home
PITTSBURGHPenguins' home
PITTSBURGHCity at the confluence of the Allegheny and Monongahela rivers
PITTSBURGHPennsylvania steel city
PITTSBURGHSteel, plate glass, Carnegie Tech, and smog.
PITTSBURGHHome of Three Rivers Stadium
PITTSBURGHThree Rivers Stadium team
PITTSBURGHHome of the H. J. Heinz Co.
PITTSBURGHPirates' hangout