A transit line that was hailed as the dream of a unified city is now on the brink, following waves of domestic unrest over the summer.
Follow along during The Atlantic's summit on urban innovation, happening now in Los Angeles.
He says Angelenos "might not own cars" in as soon as a decade.
The people and ideas reshaping urban life
An amateur photographer uses his commercial drone to capture aerial views of Philadelphia.
The first installment of a new series in conversation with mapmakers on the works that most inspire them.
Images from 1985 and last year show viewers just how much the Lower West Side neighborhood changed from Koch to Bloomberg.
Goats are better than herbicides when it comes to clearing weeds, say scientists.
On National Coffee Day, look across the Atlantic for some bohemian coffeehouse nostalgia.
How one U.K. company got its employees to stop driving to work.