High Quality Content by WIKIPEDIA articles! 900 North Michigan in Chicago is a skyscraper completed in 1989. At 871 feet (265 m) tall, it is currently the seventh tallest building in Chicago and the 25th 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.