History of the world's tallest buildings
The tallest building in the world, as of 2022, is Burj Khalifa. The title of "world's tallest building" has been borne by various buildings, such as the Rouen Cathedral and the Empire State Building.
311 South Wacker Drive
311 South Wacker Drive is a post-modern 65-story skyscraper located in Chicago, Illinois and completed in 1990. At 961 feet (293 m) tall, it is the seventh-tallest building in Chicago and the 24th tallest in the United States. It was once the tallest reinforced concrete building in the world. Until 2015, 311 South Wacker was also the tallest building in the world known only by its street address, when it was surpassed in height by New York's 432 Park Avenue.