how tall highline tower in chicago
List of tallest buildings in Chicago. Chicago, the third-largest city in the United States, is home to 1,315 completed high-rises, 44 of which stand taller than 600 feet (183 m). The tallest building in the city is the 108âstory Willis Tower (formerly the Sears Tower), which rises 1,451 feet (442 m) in the Chicago Loop and was completed in 1974.