The Willis Tower, built as and still commonly referred to as Sears Tower, is a 108-
story, ..... whose antenna reached a height of 1,500 feet (457.2 m), or 49 feet (
14.9 m) taller than the Sears Towe...
The first designs were for a boxy structure exclusively for Sears, but the architects
and real estate advisors pressed for a taller tower with upper floors for tenants.
Standing tall above every other skyscraper in Chicago, Willis Tower (formerly
known as the Sears Tower) is a 110-story building in the heart of downtown. One
Willis Tower is 1,450 feet (443 meters) high – 1,730 feet (520 meters) including ...
America and the Western Hemisphere, standing 1,450 feet and 110 stories tall.
The Ledge, a glass balcony extending four feet outside the 103rd floor of Willis
Tower! October through February from 10am-8pm. March through September ...
Aug 25, 2015 ... From the moment it opened as the world's tallest building in 1973, the building
formerly known as the Sears Tower has captured the ...
Jan 11, 2016 ... The Willis Tower, the tallest building in Chicago, has been knocked out of the
Council of Tall Buildings and Urban Habitat's (CTBUH) top ten list ...
Rankings Click arrows to view the next taller/shorter buildings ... Completed in
1974, Willis Tower set the standard for supertall skyscrapers around the globe, ...
There was much discussion on whether the Petronas Towers are actually taller
than the Sears Tower as the height of the antennas on the Petronas Towers are ...
Chicago's Willis Tower, formerly named the Sears Tower, was the tallest building
in North America. What does it take to maintain and operate this massive ...