A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

In 1986, Keith Haring was arrested for painting this anti-drug mural on a Harlem handball court.

The only subway station in the city that still makes use of gap fillers.

Sip a cappuccino in the historic cafe that introduced them to the United States.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

Nope, not Washington Irving's house.

A modern addition to the Greenpoint skyline.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

Legendary private island in the Bronx...devoid of rats.

Established in 1937, the oldest candy shop in New York City boasts a rainbow-colored inventory that would make Willy Wonka envious.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

A tiny islet just off Long Island offers a wealth of infectious curiosities.

Dine on dumplings at the oldest dim sum restaurant in New York.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Brooklyn's most iconic restaurant, resurrected.

100 massive sculptures in the Hudson River Valley.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).