Marina City is most likely my favorite piece of architecture in Chicago. Bertrand Goldberg who came about during Mies's reign on the Chicago architecture scene, broke free from the confines of Mies's minimalist design, and explored shapes within nature, much like his contemporary Buckminster Fuller, another one of my favorite 20th century architects and thinkers. River City, his other large Chicago project, was never completed, therefore does not fully function as envisioned, and Northwestern knocked down one of his other significant projects, the Prentice Women's Health Building, against protests, and which the new addition to Rush sort of mimics..