Heller International Building Heller International Building The Heller International Building is a skyscraper in Chicago, Illinois. The building rises 600 feet (183 m) in Chicago's Near West Side neighborhood. It contains 45 floors, and was completed in 1992. The Heller International Building currently stands as the 44th-tallest building in the city. The architectural firm who designed the building was Skidmore, Owings & Merrill, the same firm who designed Chicago's Sears Tower and John Hancock Center and the Burj Khalifa in Dubai. The Heller International Building currently stands as the tallest building in Chicago situated west of the Chicago River. One year after its
Center City Tower (Philadelphia) Center City Tower (Philadelphia) Center City Tower was the working name of a formerly proposed skyscraper in downtown Philadelphia. Designed and proposed by the firm now known as KlingStubbins (designers of Philadelphia's Penn Center and Bell Atlantic Tower), the building would have risen to a height of 1,050 feet (320 m) and 75 stories, making it the tallest building in The United States outside New York and Chicago, surpassing the height of the Bank of America Plaza in Atlanta. With a floor area of , it is one of the largest in Center City. The building was designed with an