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

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

Oldest surviving example of a Dutch saltbox frame house in America.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This outdoor gallery of sculptures along the East River was once a landfill.

The notorious headquarters of a corrupt political machine.

Nope, not Washington Irving's house.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

The only gallery in New York dedicated to olfactory art and the exploration of scent in art.

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

Depression-era fun lives on in this Harlem museum dedicated to the sport of the street.

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

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

Phil Mortillaro uses keys to bring art back to the Village.

Underneath the bustling city streets, a hydroponic farm grows unique herbs in an urban oasis.

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.