City & Urban

10 parks that have shaped American cities

Cities have their own microbial signatures

Mesmerizing short film 'Wrapped' imagines NYC overtaken by plants

Want to fight crime in the city? Plant a tree

In San Francisco, giant inflatable rabbits are assigned 24/7 security detail

Rotterdam is on a plastic bridge-building spree

Bike Batman: Sleuthing Seattle cyclist is on mission to recover stolen wheels

Winner of skyscraper design competition digs down instead of building up

If you want to die young, move to the country

This serpentine skyscraper molts by changing colors

Boston curbs litter with nifty poll-taking cigarette butt receptacles

L.A. officials impound tiny houses donated to the homeless