Aperiodically Tiled Reflecting Wall

http://www.archdaily.com/155451/antelope-valley-reflecting-wall-min-day/

Uses the Penrose aperiodic tiling pattern.  http://en.wikipedia.org/wiki/Penrose_tiling

More sources:
http://web.media.mit.edu/~black/tiles/aperiodic.html
http://www.uwgb.edu/dutchs/symmetry/penrose.htm
http://www.ics.uci.edu/~eppstein/junkyard/penrose.html
http://paulbourke.net/texture_colour/nonperiodic/