Culture of Chicago Shore Drive, Crown Hall, 330 North Wabash, and the Kluczynski Federal Building. The tallest buildings in Chicago are Willis Tower, Trump Tower, the Aon Center, 875 North Michigan Avenue, and the Franklin Center. Willis Tower was originally named Sears Tower, and was the tallest building in the world from 1973 to 1998. It is now the second-tallest building in the United States, after One World Trade Center, though the height to the roof of Willis Tower is greater than that of One World Trade Center. Other architecturally significant modern and postmodern skyscrapers in Chicago include the Inland Steel Building, Marina
Park Tower (Chicago) Park Tower (Chicago) Park Tower is a skyscraper located at 800 North Michigan Avenue in Chicago, Illinois. Completed in 2000 and standing at tall with 70 floors — 67 floors for practical use, it is the twelfth-tallest building in Chicago, the 43rd-tallest building in the United States, and the 83rd-tallest in the world by architectural detail. It is one of the world's tallest buildings to be clad with architectural precast concrete (the Transamerica Pyramid Building in San Francisco is taller). It is one of the tallest non-steel framed structures in the world—it is a cast-in-place concrete framed structure. This building