La Maîtresse de la Tour Eiffel by Michel de Broin was conceived for the Nuit Blanche 2009 in Paris. The end result is flashy and extraordinary in its ephemeral monumentality.
via Flores en el Atico
Believe it or not, this is actually a room for a hotel designed by Tham + Videgard Nansson Arkitekter.
And this is an excellent scuplture/installation by Michel de Broin titled Superficial, done in 2004.