In the future we might see rest homes for old robots. I think Stefano might have hit it right on the mark with this architectural dream.M.C. Escher. It was created by Stefano Selleri (copyright 2003) with Blender 3d software and the YafRay (raytracer) plugin.
Blender is the open source software for 3D modeling, animation, rendering, post-production, interactive creation and playback. Available for all major operating systems under the GNU Public License.