Willis Tower Flight Simulator" would begin with the player on the runway of Meigs Field, facing a virtual version of the tower. In Sufjan Stevens' 2005 album "Illinois", the tower is referenced in the track "Seer's Tower", whose title is a play on the tower's now-former name, Sears 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;
Chicago Water Tower Pumping Station, it drew clean water from water cribs in Lake Michigan. The tower gained prominence after the Great Chicago Fire of 1871. While some incorrectly believe that the tower was the only building to survive the fire, a few other buildings in the burned district survived along with the tower. The tower was the only public building in the burned zone to survive, and is one of just a few of the surviving structures still standing. In the years since the fire, the tower has become a symbol of old Chicago and of the city's recovery from the fire.