Local groups are calling on officials to add the tooth-protector to public water supplies, citing poor dental health in kids.
BlankWays keeps track of which streets you've been down, and plots new, untraveled routes.
The city of Águeda is awash in a strange kind of street art.
For dissidents like Ai Weiwei, the internet is fulfilling roles once played by urban space.
Could you be so calm hanging off the pinnacle of Dubai's Burj Khalifa?
The capital of Bangladesh is spinning into an asphalt crisis.
Life in an abandoned rail car outside of Monterrey.
Scenes from a city dealing with added congestion as a transit strike drags on.
What we lose when cities begin copying each other.
A group of students recreate the country.
Moscow's canine commuters have worked out a clever system to use the city's subway for their benefit.
When it comes to the Games, the West Coast dominates.
The phone in your pocket could be monitoring traffic.
The astonishing story of how the nation's two largest hunting and fishing specialty stores convinced small town America to pay for their expansions.
The best world capitals to raise a democratic ruckus.
Our weekly look back at the stories you may have missed.
The online parking spot marketplace is heating up.
As China works towards big housing goal, questions arise about who's benefitting.
Big cities continue to dominate the competition for basketball superstars.