The world's largest Starbucks is opening on Chicago's Magnificent Mile November 15 at 10 a.m., the company confirmed Friday. It will overtake the recently opened Toyko Reserve Roastery as Starbucks' biggest store and is the sixth Roastery in the world, following locations in Seattle, Shanghai, New York City, Milan, and Tokyo. The space was first announced in 2017 and few new details beyond its opening date have been released yet.