The Willis Tower, formerly and still commonly referred to as the Sears Tower, is a 110- story, 1,451-foot (442.3 m) skyscraper in the Loop community area of Chicago in Illinois, United States.

The newly redesigned Willis Tower brings a whole new meaning to office space. Come see how Willis redefines the workplace by delivering world-class experiences to the people of Chicago.

Explore the heart of the city with our 3-in-1 unforgettable things to do at The Skydeck in the iconic Willis Tower! Visit The Chicago Museum, step out onto The Ledge, and take in breathtaking views from …

Nov 3, 2025 · Willis Tower, skyscraper in Chicago, located at 233 South Wacker Drive, that was the world’s tallest building until 1996. That year it was surpassed by the Petronas Twin Towers (1,483 …

Specialties: No trip to Chicago is complete without a visit to the The Ledge at Skydeck Chicago! Enjoy 360-degree views spanning up to 50 miles and 4 states and our most spectacular view--1,353 feet …

The Willis Tower is an International Style skyscraper designed by Skidmore, Owings & Merrill, with Bruce Graham as lead architect, and built between 1970 and 1974, for a reported $175 million …

The Willis Tower, formerly the Sears Tower, is an interesting amalgamation of architecture and urban progress. It reigned as the tallest building in the world for more than two decades, from 1973 to 1998.

Learn about Willis Tower’s history, the tallest building in Chicago and a premier corporate office building and home of the Skydeck.

Apr 16, 2025 · Since its construction in 1973, Willis Tower has been a unique part of the Chicago skyline and was formerly known as the Sears Tower. With a total of 110 floors and an overall height of 527 …

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. The Willis Tower is the second-tallest building …