A bit of retro transportation flair preserved in the world's largest department store.

The first and only carousel with a lineup entirely of insects.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

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.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

Nondescript elevator doors open to reveal a stunning, surreal world.

Nikola Tesla's former home contains an homage hidden from plain sight.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A very classy 1920s-era bar right in Grand Central Station.

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.

Ride the subways of yesteryear.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

A hands-on traveling collection of the innovative devices of yesteryear.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A semi-scholarly approach to sex.

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

Try not to get slimed in Tribeca.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.