Forgotten Rail Yard Under Chicago’s Largest Historic Building – Merchandise Mart
Claim your SPECIAL OFFER for MagellanTV here: https://try.magellantv.com/itshistory/. Start your free trial TODAY so you can watch, Vertical City, John Hancock Center, Chicago and the rest of MagellanTV’s history collection: https://www.magellantv.com/watch/vertical-city-rediscovering-great-heights-around-the-world?type=e&episode=john-hancock-center-chicagoDid you know that Chicago has a massive building with its own zip code? That’s right, and in 1930, the Merchandise mart opened its doors…