The Big Store. For generations, it was as synonymous with Christmas and fashion as it was Detroit. The store at Woodward and Gratiot avenues was absolutely massive, evolving with the Motor City until it became the tallest department store in the world. By the time it finished growing, the store’s size almost defied belief. A quick list of facts, many courtesy of the Detroit Historical Museum: The store was 2,124,316 square feet, making it second in size among department stores to only Macy’s in New York. Even then, Macy’s is only 26,000 square feet bigger. The store was spread out...