Salute the leader of the proletariat.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

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

A reminder to choose water over wine since 1888.

A notorious punk house turned co-op.

A living archive of urban activism and space reclaimed.

This former crime corner has been turned into an eclectic community center.

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.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

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

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.

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

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Nondescript elevator doors open to reveal a stunning, surreal world.

The ghostly remains of an accidental sea.

Morocco's largest Jewish cemetery.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

A gigantic collection of teeny, tiny books.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

A rare chance to ride one of the few continuous elevators still in operation.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

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