A bizarre house filled with an astounding array of collections.

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 band of aerialists and circus performers putting on incredible shows in East Williamsburg.

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

A celebration of capitalism in Midtown.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

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

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.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

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.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A terrific purveyor of natural history objects and curios.

What remains of the simple red brick chapel where the women's rights movement began.

This abandoned factory on the Hudson River once churned out a million bricks a week.

It's not your typical library, memorial, or book store.

A ring of creosote bushes that are estimated to be 11,700 years old.

This historic tower in the California desert promises visitors a "vortex of good vibes".