I found these a while ago via some blogs or other, and thought they should be propagated further due to their coolness:

Novel use for old computers as art : http://www.sandysmith.co.uk/artwork/computers/sunset.htm

Coolest building idea ever (they should actually build this, despite it probably being impossible and/or dangerous due to the sticky-out bits with no visible supports :) : http://www.ironicsans.com/2006/12/idea_a_building_shaped_like_go.html