Real estate magnate Joseph Chetrit, developer Joseph Moinian and Skokie-based American Landmark Properties bought the tower ...

Sears Tower ended the Empire State Building’s four-decade reign as the world’s tallest and transformed the West Loop into a glittering office corridor.

Flickr/Michael Kappel Chicago’s history is reflected in its architecture. Each building has a tale to tell and in some cases, ...

It was designed as a gift to the city of Chicago; an observation deck on the top of what was then the world's tallest building and still called Sears Tower.

The Windy City tried to take a bite out of the Big Apple. Incensed Chicago newscasters were quick to reply when the Empire State Building shaded the Illinois city’s most iconic landmark. The Chicago ...

Anna Davlantes, WGN Radio’s investigative correspondent, joins Bob Sirott to share what happened this week in Chicago history. Stories include the founding for World’s Finest Chocolate, the finalized ...

The Sears Tower in downtown Chicago, where the corporate parent operated, was the world’s tallest skyscraper until 1998.

ABC7 Chicago installed a new antenna atop the Willis Tower, formerly known as the Sears Tower, using a helicopter Sunday morning.

Read Fast Facts from CNN about Willis Tower, formerly the Sears Tower, located in Chicago.

The Willis Tower was built with cutting-edge technology and ageless chutzpah, a word that could be translated as an intoxicating sense of omnipotence. When planning for what was originally called S… ...

Left photo: Sears Tower became the tallest building in Chicago, surpassing the John Hancock Center, seen in the background, when construction continued in November 1972.