A mass grave for victims of one of the city’s worst fires.

A way to take your secrets to someone else's grave.

A curious friendship between two inanimate ladies.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

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

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

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A very classy 1920s-era bar right in Grand Central Station.

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

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

The factory that helped produce a dominant form of lighting before Thomas Edison.

Lie in a hammock where George Washington stood.

A retired oil tanker now offering amazing views of New York City.

This unusual apartment building may be Brooklyn's own version of the Leaning Tower of Pisa.

The only surviving sidewalk clock in Brooklyn.

The original place where water met land in the City by the Bay is outlined in brass.

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

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

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A dilapidated dock tells the story of Titanic's missed arrival.

Napa's oldest building is now a Mexican restaurant.