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.

A recently uncovered album reveals some of New York City parks' least exposed precincts — their public bathrooms.

Photographers focus on the grasslands that cap the former Fresh Kills landfill and provide new homes for threatened wildlife.

In Mott Haven, a building's true purpose hides behind facsimile stoops and windows.

Architecture, art, and infrastructure once collided on this now vacant stretch in Coney Island.