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
Equitable Building (Chicago) Equitable Building (Chicago) 401 North Michigan is a 35-story skyscraper in the Streeterville area of Chicago, built in 1965 at 401 North Michigan Avenue, along the north bank of the Chicago River. Along with the Tribune Tower and Wrigley Building, it forms the southern gateway to Chicago's famous Magnificent Mile. The building was built atop the site of a cabin belonging to Chicago's first permanent resident, Jean Baptiste Pointe du Sable. In reference to du Sable, the large plaza adjacent to the building has been named Pioneer Court. 401 North Michigan occupies a site with several aspects of historical significance,