A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A beautiful oddities shop crammed with strange and morbid curiosities.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

A notorious punk house turned co-op.

The notorious headquarters of a corrupt political machine.

A partially hidden wall graffitied by spectators of the 1976 Bicentennial, recently rediscovered.

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

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Unique antiquarian shop specializing in globes, maps, and prints.

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

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

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

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

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

The "Seinfeld" diner.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

An unassuming secret door once led to a legendary watering hole.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A legendary speakeasy bookstore returns from the brink.