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 Joshua Sears Building The Joshua Sears Building is a historic building in Kirkland, Washington located at the northwest corner of Market Street and Seventh Avenue, Kirkland's historic commercial core. It is listed on the National Register of Historic Places. It was built in 1891 by Boston philanthropist and capitalist, Joshua Sears, who was heavily invested in Peter Kirk's Great Western Iron and Steel Company and who planned to open a bank in town. As a result of the Panic of 1893, the steel mill and the bank never opened but the Sears building survives today as a reminder of what