The Willis Tower, originally 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.

Willis Tower (formerly known as the Sears Tower) is a 110 story building in the heart of Chicago’s downtown. Willis Tower is not only one of the tallest buildings in the world, it is also a magnificent icon, impossible to miss within Chicago’s skyline.

2025年1月3日 · Built for Sears, Roebuck and Company, the structure, now called Willis Tower, reaches 108 floors and a height of 1,451 feet (442 meters), excluding broadcast antennas and their supports. It provides more than 3.8 million square feet (353,000 square meters) of rentable floor space for offices and other uses.

Formerly known as the Sears Tower, Willis Tower has been an iconic part of the Chicago skyline since 1973. At 110 stories high, Willis Tower is also one of the largest skyscrapers in the world. In 2017, Willis Tower underwent a massive transformation to be reimagined for the future of work.

The Sears attracts some 1.5 million tourists each year, despite the loss of its title to the Petronas Towers in Kuala Lumpur in 1997. Though no longer the tallest building in the world, the Tower is still title to the world's highest occupiable floor and the highest roof deck, and an elevator ride.

The former Sears Tower in Chicago boasts exceptional construction, architecture, and design. It was crafted by renowned architect Bruce Graham and structural engineer Fazlur Rahman Khan and made history with its innovative bundled tube system.

Willis Tower is a supertall skyscraper in Chicago, the United States. Previously known as Sears Tower, the tower was the tallest building in America before 2014, as of 2018 it's still the nation's tallest building measured to roof. Below are some interesting facts …

The Willis Tower (formerly named the 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.

For nearly 25 years after its completion, the Willis Tower, formerly known as the Sears Tower, held the title of tallest building in the world. Standing 110 stories tall, its black aluminum and bronze-tinted glass exterior has become emblematic …

2023年6月5日 · Explore the majesty of The Willis Tower, previously known as the Sears Tower, masterfully crafted by the renowned architecture firm, Skidmore, Owings & Merrill (SOM). From its innovative design strategies to the complexities of its construction, learn about the lasting impact this iconic skyscraper has had on the world of architecture.