An indicator species in vinyl and metal, the streetside lockbox signals the rise of a short-term city.

An artist acquires a collection of unclaimed rings gathered from New York City's subway system, instigating an unconventional search for their origins and values.

From Manhattan to the banks of the Yangtze River, photographers index both the ordinary and uncanny effects of urbanization.

Thousands of new rain gardens are soaking up stormwater across the city. As green infrastructure settles into the sidewalk, can we learn to love a sewer?

Getting to the bottom of a mysterious streak of purple cropping up along Manhattan’s eastern edge.

Over a decade in his Queens neighborhood, a photographer sees constant change.

In the middle of a paved Midtown park, tunnel air whirs through 46 huge fans.

In West Harlem, a wastewater treatment plants hides beneath a 28-acre state park.

The stylized figures of Keith Haring have spread across the world, but his radical vision hasn’t always travelled with them.

In Long Island City, stunted electrical poles mark some of the city's most contested real estate.