Video from Kings & Things
"Some architects have ensured a place in history by designing iconic buildings that shape our cities. Others, like Étienne-Louis Boullée became famous precisely for their designs that were never realized. Taking inspiration from pure geometric forms, Boullée designed visionary buildings on an enormous scale that made up the necessary institutions for an ideal, utopian society. His works anticipated the futurism of the 20th century, and went on to inspire architects in the post-war period." from video introduction