The Willis Tower, formerly and still commonly known as the Sears Tower, is a 110 story, 442 meter skyscraper in the Loop district of Chicago, Illinois, designed by architect Bruce Graham and engineer Fazlur Rahman Khan of Skidmore, Owings and Merrill. It opened in 1973 as the world's tallest building, a title it held for nearly twenty five years, and remains the third tallest building in the Western Hemisphere. More than 1.7 million visitors a year ride to its Skydeck, the highest observation deck in the United States.
Facts
Building Type Completed Year Completed Year Classification
Standing Status Building Type
Building Type (category) FAQs
Why do people still call the Willis Tower the Sears Tower?
It was the Sears Tower until a 2009 naming rights lease; locals still use the old name.
The building was known as the Sears Tower from its construction until the naming rights were included in a 2009 lease with the Willis Group. Local residents still refer to it by the old name, so both names are in everyday use.
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In Style
Source Wikipedia: Willis Tower
Uses Element
Source Wikipedia: Willis Tower
Source Wikipedia: Willis Tower
In the Other Atlases
Located In
Also in Geography Atlas: where this subject is located.
Sources
1. Wikipedia: Willis Tower
WikipediaLead paragraph, sentence describing it as a 110-story skyscraper
a 110-story, 1,451-foot (442.3 m) skyscraper
Lead paragraph, sentence naming the Loop, Chicago, Illinois
in the Loop of Chicago, Illinois, United States
Lead paragraph, sentence giving its 1973 opening
it opened in 1973
Lead paragraph, sentence giving height of 442.3 meters
1,451-foot (442.3 m)
Lead section
The Willis Tower, formerly known and still commonly referred to as the Sears Tower, is a 110-story, 1,451-foot (442.3 m) skyscraper in the Loop of Chicago, Illinois, United States. Designed by architect Bruce Graham and engineer Fazlur Rahman Khan of Skidmore, Owings & Merrill (SOM), it opened in 1973 as the world's tallest building, a title that it held for nearly 25 years.
- In Style: International Style, infobox architectural_style field: International
Uses Element: Aluminum, Wikipedia lead
The facade is made of anodized aluminum and black glass.
Uses Element: Glass, Wikipedia lead
The facade is made of anodized aluminum and black glass.
View the Source 2. Wikidata: Willis Tower
- Wikidata Q29294, class allow-list match (w-wdresolver-0926)
- Wikidata Q29294, P571 claim (w-bbfill-artsarchag-0926)
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