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.
Four Seasons Hotel, San Francisco The Four Seasons Hotel & Residences is a 121 m mixed-use development at 757 Market Street in San Francisco, California near Moscone Center. Completed in January 2001, the tower is the first skyscraper of the 21st century to be completed in the city.