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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. Designed by architect Bruce Graham and engineer Fazlur Rahman Khan of Skidmore, Owings & Merrill (SOM), it opened in 1973 as the world's tallest ...
The CN Tower ( French: Tour CN) is a 553.3 m-high (1,815.3 ft) concrete communications and observation tower in Toronto, Ontario, Canada. [3] [8] Completed in 1976, it is located in downtown Toronto, built on the former Railway Lands. Its name "CN" referred to Canadian National, the railway company that built the tower.
The tallest building in the city is the 110-story Willis Tower (formerly the Sears Tower), which rises 1,451 feet (442 m) in the Chicago Loop and was completed in 1974. [2] [3] Sears Tower was the tallest building in the world upon its completion, and remained the tallest building in the United States until May 10, 2013. [4]
The North Tower was 417 m (1,368 ft) and the South Tower 415 m (1,362 ft) tall. It surpassed the height of the Empire State Building by 36 m (118 ft). Two years later the Sears Tower was built in Chicago, standing at 442 m (1,450 ft) with 110 floors, surpassing the height of the World Trade Center by 25 m (82 ft).
The second-tallest structure in the world is the 679-metre-tall (2,227 ft) Merdeka 118 in Kuala Lumpur, Malaysia, while the third-tallest self-supporting structure and the tallest tower in the world is the Tokyo Skytree (634 m or 2,080 ft). The tallest guyed structure is the KRDK-TV mast in North Dakota, U.S. at 630 metres (2,060 ft).
The Mile-High Illinois, or simply The Illinois, is an unbuilt conceptual design by American architect Frank Lloyd Wright for a one mile-high skyscraper to be built in Chicago, Illinois. Wright described the project in his 1957 book, A Testament. [ 1] The design included 528 stories, later revised to 365 stories, with a gross area of 18,460,000 ...
August 1, 2011 - EdgeWalk opens on the roof of the tower’s restaurant. The EdgeWalk is a circular outdoor ledge 1,168 feet (356m) above the ground. The EdgeWalk is a circular outdoor ledge 1,168 ...
875 North Michigan Avenue. / 41.8988; -87.6230. The John Hancock Center is a 100- story, 1,128-foot [7] supertall skyscraper located in Chicago, Illinois. Located in the Magnificent Mile district, the building was officially renamed 875 North Michigan Avenue in 2018. The skyscraper was designed by Peruvian-American chief designer Bruce Graham ...