One kilometer of thick brass rod laid out before your eyes.

Plot your trip through the city on the sidewalk.

Down a stairway in the East Village, you could once read a plaque describing an alternate history of a fictional version of Manhattan.

A hidden "place of interment for gentlemen."

An experimental, community court opened in 2000 takes a new approach to youth offenders in south Brooklyn.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

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.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

A veritable variety of odds and ends.

Walk over a 150 year old manhole.

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

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

A no-frills cinephile haven known for showing offbeat, underseen films.

During the holidays, a vintage subway train whisks New Yorkers back in time.

Relics given to a Manhattan church to avoid seizure by the Italian government.

Try not to get slimed in Tribeca.

Abandoned power station once home to a squatter community, now being developed into an arts center.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Skewer up Kangaroo.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

A huge resale shop for the cast-offs of the film & television industry.

Two monstrous warehouses. One now holds priceless works of art, the other stands abandoned and dilapidated.