Willis Tower, downtown’s 1,450 ft. stack of architecture, engineering, ... Obviously the rest of the world sees the Willis Tower as the building that represents Chicago.

Willis Tower and the Chicago skyline on Nov. 12, 2013, the day the tall buildings council announced that One World Trade Center would become the country’s tallest building when completed.

One World Trade Center will be the nation’s tallest building when it opens next year, a Chicago-based tall buildings council announced Tuesday, a decision that drew a quick rebuke from Mayor ...

Power outage at Willis Tower leaves building looking ‘disappointed,’ just like everyone else in 2020 Chicagoans who noticed that their beloved “Sears Tower” had lost its twinkling lights ...

The Willis Tower is currently undergoing a more than $500 million renovation that will transition it from an office building into a neighborhood that delivers life and work experiences. As part of ...

The Sears Tower under construction in Chicago, circa 1973. The site of Sears Tower is cleared as construction begins. The Sears Tower, right, begins to take shape in downtown Chicago in the early 1… ...

Protective layer on Willis Tower SkyDeck cracks under visitors' feet. Tourists standing 103 stories above Chicago get a scare when the protective coating over the glass sightseeing ledge shatters.

An old American icon is dethroned, while another is crowned America's tallest building. The Willis Tower in Chicago, formerly known as the Sears Tower, has lost its title as the tallest building ...

It's official: New York City's One World Trade Center is now the nation's tallest building, wresting the title from Chicago's Willis Tower, which claimed the top spot for 40 years.

Willis Tower! It's weird, right? The name change? As a kid, the Sears Tower's name was something that was completely unique from the mega clothing store. It never occurred to me that the Sears ...

Thanks to the addition of the world’s 2nd tallest building, Shanghai Tower, the Willis Tower is now ranked at no. 11, marking the first time it has not been in the top 10 since it was completed ...