Mrs. Jessica Morgan+FollowHow Pittsburgh Iron Built the WorldEver wondered where the steel for the Empire State Building or the Bay Bridge came from? Turns out, it all started at Carrie Furnace in Pittsburgh, which ran non-stop for nearly a century! Fun fact: workers had to stockpile ore before winter because the Great Lakes froze over, pausing deliveries. It’s wild to think the same place where people clocked in for decades is now a cool tour spot. History buffs, this is your next weekend plan! #Business #MoneyLifehacks #SteelCity00Share