Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

The "Seinfeld" diner.

The tiniest little stage in New York.

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

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The most confusing clock in New York.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

A crumbling hospital from the 1850s on Roosevelt Island.

The one-time office of the architectural firm that ushered in the Gilded Age is now a Club Monaco.

Mysterious stone tower featured in many alternative histories of the New World.

The tennis legend used this racket while breaking the race barrier and becoming the first Black man to win the US Open.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

Lie in a hammock where George Washington stood.

A statue honors the children who fought Nazis in Poland.

Once a black market electronics marketplace, now an otaku shopper's paradise.

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

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

The oldest continuously operating farm in New York State.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

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

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

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

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.