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 Building, Liverpool is recorded in the National Heritage List for England as a designated Grade II* listed building. Tower Building, Liverpool Tower Buildings is a former office block in the city of Liverpool, Merseyside, England. It stands with its longer front on the east side of the Strand, and extends round the corner into Water Street. The building is located directly opposite the Royal Liver Building, which was designed by the same architect. Earlier buildings on the site have been a sandstone mansion, and a later fortified house known as the Tower of Liverpool. After this was demolished in 1819, it was