Washington, DC

Why Aliens Will Love Visiting D.C. Once All the Humans Are Gone

Ellen Harvey looks into the future and sees extraterrestrials amid neo-classical ruins.

Nearly Half of All American AIDS Cases Are Found in Just 12 Metropolitan Areas

The HIV scourge continues to disproportionately affect poor urban areas.

In D.C., Medical Marijuana Is All About Location, Location, Location

How a single neighborhood is shaping up to become the city's pot growing district.

A Heat Map Dining Guide to Hoagies, Hipsters and Bacon

Thanks to Yelp reviews.

Peep at These Fantastic Vintage City Panoramas

You won't find better old cityscapes than the ones in this Library of Congress collection.

'Rusty' the Red Panda Found Safe After Escaping From D.C.'s National Zoo

He'd made it about a mile away from home before being captured in a residential neighborhood.

Why Are HOT Lanes Struggling to Make Money?

Broadly speaking, the answer comes down to poor planning and a commuter learning curve.

The Supermoon, as Seen From Cities Around the World

This was the largest and brightest the moon will look until August 2014.

You Know You Want to Play These Risk-Style Games of 'Urban Domination'

Havoc Boards apply the classic competition for world conquest to ten different cities.

Map the iPhone Users In Any City, And You Know Where the Rich Live

What our devices can tell us about the geographic divisions of urban wealth.

The Devastating Impact of 30 Years of Sprawl, As Seen From Space

The lightning pace of world urbanization is on display in these animated GIFs of Chicago, Dallas/Fort Worth, Hong Kong and other exploding metropolises.

6 More U.S. Counties Are Now Majority-Minority

Welcome to your demographic future, Charlotte, North Carolina.

The Case for Making Bike-Share Membership an Employee Benefit

An early wave of New York City companies is willing to foot the bill for workers who plan to commute with Citi Bike.

The Point of Crowdfunded Real Estate Isn't To Make Everyone Rich

A young idea gets a little bit older – and gets some critics.

The Biggest Obstacle to Cycling's Egalitarian Aspirations? Distance

Biking as a class issue isn't going away; on the contrary, it's just beginning.

Why We Shouldn't Rely on Smart Growth Incentives to Fix Sprawl

When it comes to development, local desires often render state smart growth incentives insufficient.

A Charming Look Back at the Opening of the 91-Year-Old Lincoln Memorial

"This memorial is less for Abraham Lincoln than for those of us today and for those who follow after."

Why You May Not Be Seeing Many 17-Year Brood II Cicadas

Where's the dang swarm, already?

Flags for the Fallen

The country prepares for Memorial Day.