Fascinated by the possibility of designing the world, human being has always searched for tools to mediate this process. Cyberspace became one of this tools. Virtual technologies associated to communicational technologies are changing human’s cultural, social, and material context, consequently changing the idea of architecture itself. The decreasing material content of our activities and their increasing perceptual, communicative and cognitive contents are drawing a new framework to our spatial experiences. Objects, spaces, buildings and institutions can now be constructed, navigated, experienced and manipulated across cyberspace. The particular focus in this paper is to discuss the architectural aspects of the Virtual Architectures (VAs) ...