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
Tower Life Building Tower Life Building The Tower Life Building is a landmark and historic building in Downtown San Antonio, Texas, USA. Construction of the tower began in 1927 and the building rises 403 feet (123 meters) and has 30 floors. The building, which opened in 1929, was originally named the Smith-Young Tower and is the central component of a partially completed development called the Bowen Island Skyscrapers. The eight sided, neo-gothic brick and terra-cotta tower (complete with gargoyles) was designed by noted local architectural firm Ayres & Ayres (Atlee & Robert M. Ayres). The building also housed San Antonio's first Sears, Roebuck