This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The "Seinfeld" diner.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

The most confusing clock in New York.

An accidentally hidden library containing the ephemeral history of New York.

The site of the deadly Triangle Shirtwaist Factory Fire.

A terrific purveyor of natural history objects and curios.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

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

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 Yiddish theater turned movie house turned rock and roll landmark turned gay disco turned bank.

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

A reminder to choose water over wine since 1888.

The palatial McDonald's that inspired Wesley Willis.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This shop for all your super spy needs hides an educational secret.