Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

Rummage through this sunken ship, but leave your scuba gear at home.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

A garment factory hides a small Dominican eatery in the hallway to its freight elevator.

A hip bar decorated with walls of golden skulls.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

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

Discover the taste of mold.

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

This tiny store is your one-stop shop for all sorts of rare and wonderful buttons.

Come for the waffles, stay for more waffles.

The oldest pastificio in Queens offers visitors fresh noodles and a peek inside the macaroni-making magic.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

A long abandoned hospital building on the outskirts of NYC.

The oldest living organism in New York City. Maybe.

Deliciousness abounds at a Guatemalan restaurant masquerading as a pizzeria.

A retired subway car stands alone in a field in the middle of Queens.

Serving Central Asian breads that range from cracker-crisp to warm and fluffy, this bakery brings Bukhara to Queens.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

Three stories above you, your salad is being grown.

The best B-movies filmed on a shoestring budget were born here.

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.