Monument to a forgotten NYC disaster that claimed the lives of 1,000.

A hidden architectural treasure in New York's Brooklyn.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

Take in a rare, face-to-face glimpse of Lady Liberty at this tucked away Red Hook park.

A modern zoetrope on the New York City subway.

Feral cats keeping the rodent population at bay all across Greenpoint waterfront.

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

One of only two remaining Victorian-era greenhouses in New York.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

Walk into the 19th century without leaving Brooklyn.

This small, hidden cove is home to abandoned boats.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

Volunteer-run library dedicated to exploring five decades of activism history.

This innocent-looking townhome is actually a subway exit.

Detailed facade of a brownstone in Boerum Hill.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

A B.Y.O.B. Mexican cantina lives inside one of the last tortilla factories in Brooklyn.

The most radioactive spot in New York City can also fix your muffler.

This Queens beer hall preserves a German culture and language that is all but lost.

A Wisconsin kitsch palace from the 1930s lives its second life in 21st-century Brooklyn.

The first American department store, and home to the largest operating musical instrument in the world.

An collection of Chinese propaganda posters from 1949 to 1979.