Chicago Many other architects have left their impression on the Chicago skyline such as Daniel Burnham, Louis Sullivan, Charles B. Atwood, John Root, and Helmut Jahn. The Merchandise Mart, once first on the list of largest buildings in the world, currently listed as 44th-largest (), had its own zip code until 2008, and stands near the junction of the North and South branches of the Chicago River. Presently, the four tallest buildings in the city are Willis Tower (formerly the Sears Tower, also a building with its own zip code), Trump International Hotel and Tower, the Aon Center (previously the Standard
Joshua Sears Building supply store occupied one of the smaller storefronts for over twenty years. At one point the building's upper floors, originally intended for office space, were divided into seven apartments. On August 3, 1982, it was added the National Register of Historic Places. As of 2005 the building housed a religious bookstore and a real estate office. In 2015 the building was purchased by Local attorney Sim Osborn and his wife Monica Hart, the couple bought the building with plans to preserve its historic features and aesthetics for future generations. History Joshua Sears Building The Joshua Sears Building is a historic