And other lessons in urbanism from the South American capital.
The National Highway Traffic Safety Administration has decided that they do.
What it takes to become a port city of a major cruise line.
A photographer shot New York City from a helicopter, then stitched together this awesome image.
Homicides were down dramatically in some U.S. cities in 2012, but up in others.
A Japanese construction company turns demolition into energy using something it calls a "big hat."
If Silicon Valley wants to remain the world's high-tech capital, it may need to reform itself into an urban wonderland.
Are you signaling a turn or calling the concierge?
The plan isn't as crazy as it sounds. It's just bad policy.
The metros that offer you the best chance of shedding those extra pounds.
St. Etienne's Oakoak finds inspiration in crumbling infrastructure.
Record-setting high temperatures combined with painfully dry conditions have sparked hundreds of brushfires across the country.
The country's survival depends on water management, and its political structures allow for decisive, speedy action.
The van, in particular, is drawing officials' ire.
An artist's quest to bring graffiti to life, via GIFs.
Houston and Seattle top one list of actual wage growth from 2011 to 2012.
See how the Underground map has changed through the years.
Rapid-bus routes, an elevated highway, and a combined transit-road tunnel are among the finalists.