Here's Marina City. It was one of the first (1964) residential high rise buildings in the USA, and was built to encourage urban regeneration. It pioneered the parking/residential/office space model for skyscrapers and has been used as a template for buidings around the world. At the base is access to the river, with loads of swanky moorings.
And they look like corn-cobs - Something to do with honoring the farming heretige of the mid west.