The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

Holding the most bodies of any cemetery in the United States.

A staggering collection of photographs depicting medical, social, and historical change.

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

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

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

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

A whimsical, but often overlooked clock in Park Avenue.

The first museum in the United States dedicated entirely to posters.

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

A hidden "place of interment for gentlemen."

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

Have a steam and some blini at this cafe in a century-old bathhouse.

Hear the tales of New York's most notorious criminals.

New York City's only preserved family home from the 19th century.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

Visit the monolithic tomb of America's most famous general.

Historical figures from New York City's Catholic community reside in Midtown.

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

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

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

An artist's cute bronze subway sculptures belie his violent artistic past.