What structure are both the Four Seasons Hotel Chicago and 900 North Michigan in?
900 North Michigan 900 North Michigan in Chicago is a skyscraper completed in 1989. At 871 feet (265 m) tall, it is currently the eighth tallest building in Chicago and the 31st tallest in the United States. It was developed by Urban Retail Properties in 1988 as an upscale sister to Water Tower Place, one block southeast, and was the second vertical mall built along the Magnificent Mile.
680 N Lake Shore Drive 680 N Lake Shore Drive ( Lake Shore Place) is a 29-story building located in the Streeterville neighborhood of Chicago, Illinois. Originally named the American Furniture Mart, was completed in 1926. The two halves were designed separately: the eastern half by Raeder, George C. Nimmons, and Max Dunning; and the western half by Nimmons and Dunning alone. At 474 ft (144 m) tall and encompassing the entire block between Lake Shore Drive and McClurg Court, it was the largest building in the world when it was completed.