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.
The Blackstone Hotel The Blackstone Hotel is a historic 290 ft 21-story hotel located on the corner of Michigan Avenue and Balbo Drive in the Michigan Boulevard Historic District in the Loop community area of Chicago, Illinois. The Blackstone is famous for hosting celebrity guests, including numerous U.S. presidents, for which it was known as the "Hotel of Presidents" for much of the 20th century, and for contributing the term "smoke-filled room" to political parlance.