Willis Tower

Willis Tower (formerly named and still commonly referred to as Sears Tower) is a 108-story, 1,451-foot (442 m) skyscraper in Chicago, Illinois. At the time of its completion in 1973, it was the tallest building in the world, surpassing the World Trade Center towers in New York, and it held this rank for nearly 25 years. The Willis Tower is the tallest building in the United States and the seventh-tallest freestanding structure in the world. The skyscraper is one of the most popular tourist destinations in Chicago, and over one million people visit its observation deck each year.

Although Sears' naming rights expired in 2003, the building continued to be called the Sears Tower for several years. In March 2009, London-based insurance broker Willis Group Holdings agreed to lease a portion of the building, and obtained the building's naming rights. On July 16, 2009, the building was officially renamed the Willis Tower. On August 13, 2012, United Airlines announced it will be moving its corporate headquarters from 77 West Wacker Drive to the Willis Tower.

Read more about Willis Tower:  Plans, The Skydeck, Climbing, Address, Height, Naming Rights, Position in Chicago's Skyline, Figures and Statistics, Broadcasting, Gallery

Other articles related to "willis tower, tower, towers":

List Of Tallest Buildings And Structures In The World/Archive 1 - Tallest Buildings - History of Record Holders in Each CTBUH Category
2009 CTBUH omits Height to Roof category Taipei 101 Shanghai World Financial Center Willis Tower 2008 Shanghai World Financial Center completed Taipei 101 Shanghai World ...
John Hancock Center
... building in Chicago and the sixth-tallest in the United States, after the Willis Tower, the Empire State Building, the Bank of America Tower, the Trump Tower ... adjacent ground level) in the world, after the Trump Tower (also in Chicago), and the Burj Khalifa (in Dubai) ... The Observatory attraction (called "John Hancock Observatory") competes with the Willis Tower's Skydeck across town ...
List Of Tallest Buildings And Structures In The World/Archive 1 - Tallest Buildings
... floors throughout, and with antenna masts excluded, Willis Tower (previously Sears Tower) in Chicago was considered the tallest ... When the Petronas Twin Towers in Kuala Lumpur, Malaysia were built, controversy arose because the spire extended nine metres higher than the roof of Willis Tower ... Excluding the spire, the Petronas Towers are not taller than Willis Tower ...
Petronas Towers - Comparison With Other Towers
... The Petronas Towers were the tallest buildings in the world for six years, until Taipei 101 was completed in 2004 ... The height of the towers is measured to the top of their structural components such as spires, but do not include antennas ... The Petronas Towers still remain the tallest twin buildings in the world ...
Willis Tower - Gallery
... on the images to see them larger The Willis Tower as seen from John Hancock Center observation deck 900 North Michigan, Park Tower, the John Hancock Center, the Trump ...

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