Cut and folded A4 (metric equivilent of the US 8.5"x11 sheet) paper making very elaborate models and duality statements. One example is "The Short Distance Between Time and Shadow", where the paper cut resembles a big city skyline and the folded shape is a pagoda.
dead link: http://www.petercallesen.com/index/A4PAPERCUT_000.htm
Arther Ganson is an artist who makes elegant machines which do no real work but are fascinating to watch. There are still pictures and movies of his work here.
A beautiful collection of photos centering on commuting in NYC. Mostly subway related, but a few people on the street.
dead link: http://fredshead.org/photofeatures/commute/commute_cover.html
Jeff de Boer is an artist whose metal sculpture includes sets of armoured neckties, helmets for small animals such as dogs and cats, full body armour for rodents, and imaginary organic forms. Cool stuff.
dead link: http://www.jeffdeboer.com/portfolio/index.html
qz thoughts