skyscraper

Willis Tower: Also known as Sears Tower, it is the tallest skyscraper in Chicago with 443 meters of elevation and 110 floors.

Trump Tower: The second largest skyscraper in Chicago with 423 meters high and 95 floors.

Aon Tower: Just two meters apart from the John Hancock Observatory, Aon Tower is the third tallest skyscraper in Chicago with 346 meters of height.

John Hancock Observatory: This is the fourth tallest skyscraper in Chicago with 100 floors and 344 meters of elevation.