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Did 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 to the world as the largest building in the world. The 4 million square foot area served such a large influx of visitors daily that it required its own L stop and connection to Chicago's now abandoned 60 miles of underground freight tunnel.
Learn more about your ad choices. Visit megaphone.fm/adchoices
By Ryan Socash5
33 ratings
Did 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 to the world as the largest building in the world. The 4 million square foot area served such a large influx of visitors daily that it required its own L stop and connection to Chicago's now abandoned 60 miles of underground freight tunnel.
Learn more about your ad choices. Visit megaphone.fm/adchoices