Willis Tower Willis Tower The Willis Tower, built as and still commonly referred to as the Sears Tower, is a 110-story, skyscraper in Chicago, Illinois. At completion in 1973, it surpassed the World Trade Center towers in New York to become the tallest building in the world, a title it held for nearly 25 years; it remained the tallest building in the Western Hemisphere until the completion of a new building at the rebuilt World Trade Center site in 2014. The building is considered a seminal achievement for its designer Fazlur Rahman Khan. The Willis Tower is the second-tallest building in the
Southwest Tower Building of Texas phone center to Sears Vinyl Siding. When it opened in 1972 it was considered the leading business tower in the city. (Austin American-Statesman November 18, 1972) The Southwest Tower Building was the site of a fire on Sunday, March 6, 2011. No cause has been given for the fire. Southwest Tower Building The Southwest Tower Building is a 12-storey, building at 211 East 7th St. in Downtown Austin, Texas and is located across the street from the historic Driskill Hotel and the modern Omni Hotel. On the edge of the E. 6th Street entertainment district and Congress Avenue,