The world's biggest Starbucks just opened in Chicago - here's a look inside the 35,000-square-foot roastery
- The new world's largest Starbucks just opened in Chicago.
- The Reserve Roastery is five stories and 35,000 square feet.
- You can try seven brewing methods, coffee-inspired cocktails, and liquid-nitrogen gelato among other things.
- On opening day, hundreds of customers lined up outside to wait for a chance to try the "immersive coffee experience."