Parkour around the globe.
Researchers are creating the first 3-D map of the city's hundreds of manmade caverns.
How the recession and rage against the system are fueling street art.
The city's bastion of high art is thriving thanks to a strategy that's drawn in a younger, diverse audience.
Rubbish-bin gardens for the concrete jungle that is New York.
The Vinsetta is transformed into a restaurant.
A new "green island" on top of a mall comes with more than 80 kinds of plants and an air purification system.
Google's Ground Truth wants to create the most accurate maps in the world. Here's what that means for the future of everything.
How a neighborhood evolves from the next big thing to over the hill.
Our weekly look back at the stories you may have missed.
Thousands of books flood Federation Square in "Literature vs. Traffic."
Las Vegas and Phoenix were treated to a rare atmospheric lightshow on Thursday morning.
A bike lock that only a monkey could pick.
The distinctive Arabic typography created for the Burj Khalifa.
A team shows off its invention, which would make underground parks possible.
A haunting and poetic portrayal of what was then seen as the city of the future.
Worried your new iPhone 5 will be the object of thieves? What if it came with a small utility blade?
White roofs help bring down the heat, but researchers worry they could also stop the rain.