On purpose, apparently.
Ideas for helping cities better manage their enormous waste streams.
Virgin America's plan to get customers chatting.
Urban planning porn for advocates of highway demolition.
The world's largest game of pong, played on Philadelphia Cira Center's massive glass facade.
In Italy, a masked crusader takes to the streets to pick up garbage and scrub dirty windows.
A corral with enough room for 16 bicycles replaces a single car parking space.
Julian Marshall explains why he wanted to make a film about the "Obey Giant" street-art campaign.
A documentary details the story of Annie "Londonderry" Kopchovsky, who rode around the world on two wheels in 15 months.
Rather, it's about a neat community art project dealing with old tires.
A new site lets you turn any stretch of Streetviewed road into a hyperlapse, a timelapse with a mobile camera.
One of the stranger aspects of Africa's rapid urbanization is the influx of livestock in new, unplanned towns -- and the diseases they bring with them.
It's about 100 times worse than listening to music without headphones.
Real-life graffiti artists star in this fake 32-bit arcade game taking place in cities across North America.
Probably not, but that didn't stop one artist in Milan from standing outside the station slapping skin all day.
What time is it, New York?
Universal mobility patterns we haven't fully understood before could soon come into view.
Portlandia sends up our quest for ever-smaller digs.
A beautiful video tour of two lives lived in the city's informal economy.