There must be a pun in this haystack somewhere...

Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

Manhattan's deadly West Side railroad, which killed hundreds of New Yorkers, is remembered by this simple plaque.

The mass grave of a heroic Revolutionary War regiment sits below an empty lot near the Gowanus Canal.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

Detailed facade of a brownstone in Boerum Hill.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

Ride the subways of yesteryear.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

Brooklyn's most iconic restaurant, resurrected.

As telephones become more essential and less stylish one historic Brooklyn building remembers the days when they were a grand celebration of communication.

This innocent-looking townhome is actually a subway exit.

The Underground Railroad passed right through this historic Brooklyn Heights church.

A popular European tradition makes its way to the states on one of America's most famous bridges.

The only remaining building in New York to see the inauguration of a president is being slowly overtaken by a grocery store.

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

The one-time office of the architectural firm that ushered in the Gilded Age is now a Club Monaco.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.