This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

Finally, you don't have to be a pious Swedish seaman to relax like one.

Historical figures from New York City's Catholic community reside in Midtown.

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

New York's oldest and possibly grandest keeper of books.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

The loneliest island in New York.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

A popular European tradition makes its way to the states on one of America's most famous bridges.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

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

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

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

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

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

Ride the subways of yesteryear.

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

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