Artist Stephen Walter maps the city below the surface.
Without better planning, health disparities between rich and poor neighborhoods will continue to grow.
A county-level look at where homes are worth less than the debt owed on them.
An art project turns Memphis blight into a monument to the city.
Contested land ownership remains an open question for residents of Nairobi's Kiberia slum.
A 16-city tour of America, from an Amtrak seat.
Found objects become an urban ping pong station in Helsinki.
A Bronx private school uses the city to unite and apply the variety of subjects taught in class.
Cities might not want to question the nation's people counters.
New Orleans wants to tax its tourist areas, but can't agree on how.
A new ParkScore metric from the Trust for Public Land names San Francisco and Sacramento the nation's best.
Officials planned to use toll revenue, but a court ruled the fees illegal. This leaves the cash-strapped government in a lurch.
A London gardening project aims to plant food up and down a city bus line.
In Russia, an app identifies "parking douches."
An online tool visualizes various unpleasant water-scarce scenarios.
More than half of all babies now born in America are minorities. Here's how that's already playing out at the metropolitan level.
As the city prepares to host a number of global events, it still lacks the hotel space to meet the demand.
Visualize how far you can get on public transportation in the time you have.
South Sudan tries to estimate the costs of building Ramciel.