The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

The oldest surviving synagogue in New York City is now a soaring art space.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

A celebration of capitalism in Midtown.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

More gold than anywhere else, ever.

New York City's smallest piece of private property.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

A hip bar decorated with walls of golden skulls.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A replica of fossils believed to be the first scientifically-described dinosaur bones found in North America.

A collection of mechanical beasts with some interesting names.

Journey inside the bowels of this sperm whale sculpture.

One of America's first spies started out as a teacher in this little red one-room schoolhouse.

This historic park site contains the last remnants of a once bustling canal system.

How did the right arm of a 13th-century English bishop wind up in a Connecticut church?

A free display of artistic lifesize dinosaur sculptures in a backyard garden.

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

The cave where two British judges hid in exile after sentencing the king to death.