Steampunk can be best described as technofantasy that is based, sometimes quite remotely, upon technological anachronism.
"Steampunk". The Encyclopedia of Fantasy
I couldn't find a thread boasting of Steampunk related anythings (Conventions, modding, comics, fiction [eg: Jules Verne, H.G. Wells, etc.], clothing, games, etc.) and decided to start one.
I'll kick it off with a sculptor, by the name of Jonathan Kriscak, recreating Iron Man as though the suit was constructed around 1910: