Willis Tower
LocationUSA
Year1973
TypeSkyscraper
About Willis Tower
Stood as the tallest building for 25 years at 1,451 feet. 110 floors with 16,100 bronze-tinted windows. The Skydeck Ledge extends 4.3 feet from the building at 1,353 feet. The bundled tube design was revolutionary by Fazlur Khan. Over 1 million people visit the Skydeck annually. The building sways 6 inches in wind.
More Skyscrapers
Burj Khalifa
The tallest building in the world at 2,717 feet. 163 floors above ground. The design is in...
Petronas Towers
Twin towers standing 1,483 feet tall with 88 floors. The sky bridge connects the two at th...
Shanghai Tower
The second tallest building at 2,073 feet. 128 floors above ground. The twisted form reduc...
Empire State Building
Built in 410 days during the Great Depression. 1,454 feet tall with 102 floors. Over 30 pe...