Macy’s Herald Square

Originally known as the R. H. Macy and Company Store, Macy’s Harold Square is the flagship of the Macy’s department stores, located on Herald Square in Manhattan. The building’s 2.2 million square feet made it the world’s largest department store from 1924 until 2009 and as of 2011, the store has stood at the site for 110 years. (wiki)