"The architecture is similar to the charitable stars that illuminate the world" Claude Nicolas Ledoux, the Architecture seen in terms of art, of morals and legislation, 1804 represent the world, the planet and the cosmos is one of the largest the architecture utopias. This makes it possible, between popular culture and scholarly research, to build a crossarchitecture history as we cross it with the geography and astronomy. The presentation of 90 projects architectural, spread from the second century before our era with Apollodorus of Damascus at the beginning of the 21st century with
Rem Koolhaas, allows a double story. Spheres, globes, domes, and other representations small-scale forms of the Earth and the sky show how architects participated, alongside the geographers, astronomers, mathematicians and artists, to discover and to the representation of the globe, and how, in return, this discovery has come to haunt and still haunts the architecture