The city has tried to provide a cool summer ride since 1905, with varying degrees of success.
An old WPA video shows the capital bustling through the Great Depression.
San Francisco's Financial District is more Manhattan-like than it is San Francisco-like, and other observations.
The best world capitals to raise a democratic ruckus.
Our weekly look back at the stories you may have missed.
Urban comebacks like the District of Columbia's can come at a price. This past week showed how sore a subject this still is.
Philadelphia voters are in uncharted territory as the state fights over restrictive new ID legislation.
The debate over how to secure our nation's power grids comes courtesy of yet another climate change-related feedback loop.
In many areas, trees are under siege. But our cities need them, for all sorts of reasons.
A course in the National Building Museum echoes architects' visions for our nation's capital.
Meet the new bridge, same as the old bridge.
The factors that make some strolls much more appealing than others.
Don't get too excited about a seemingly reasonable new policy on citizens photographing police officers. The city was forced to do it, and they're not happy about it.
What do 1.6 billion mass transit trips through the city look like?
Workers do well on the east and west coasts.
Ranking the economies of Europe and some of America's biggest cities.
The worst culprits aren't necessarily the ones you'd expect.
The unlikely but unmistakably American intersection of bow hunting, pest control and hunger relief.
People are much more likely to ride to work if they have a place to clean up once they get there.