Unbuilt Masterworks of the 21st Century presents 100 of the best projects to have been proposed since the turn of the millennium by the world's greatest architects, from UN Studio, Foreign Office Architects, Diller Scofidio + Renfro and Zaha Hadid to such up-and-coming stars as J. Mayer H. Architects and Asymptote. The book is a treasure trove of as-yet untried design ideas and the ultimate inspiration for forward-thinking professionals and anyone interested in contemporary architecture.