The West African metropolis has hit 21 million, surpassing Cairo.
A new memorial, opening today, pays tribute to Muslims massacred during the Bosnian War.
The acrobatic structure spirals over an open air performance space in the water.
Forecasters warn that this will be the wettest Summer Games ever, and many venues were not designed for dreary weather.
Most jobs are near mass transit. But actually taking transit to work is out of the question for most Americans.
Inspired by a new contest to write a song inspired by the G train.
A simple idea has exponential benefits for cities and communities.
Which metros have the largest share of service class workers?
A spate of injuries and deaths have forced cities to reassess how pedestrians and cyclists interact.
With 13,000 gallons of beer about to get skunked in a power outage, a Northern Virginia brewery found that it had many, many friends.
Mapping the city's church bells, sirens, and calls to prayer.
The expensive, state of the art facility bears little resemblance to media accommodations for the 1948 "Austerity Games."
A century-old fire house gets remade, pole and all.
Why there are so many old postcards of dams.
It's time for fast-growing Asian cities to dump the super-block.
Wage growth varies considerably by metropolitan area, according to numbers from the most recent quarter.
Photos from the running of the bulls.
More than half of Spain and Greece's young people are out of work.
Here's the poop on the latest, greatest toilet news from around the world.