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

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

An alternate history park where the Union Army loses the war... to dinosaurs.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

A luxuriant botanical garden below sea level.

The United States Capitol's former columns still stand.

A sculptural commentary on capitalism pokes up from the East River.

Destructive children, start your engines.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

The fully functional, submerged Vanuatu Post Office is definitely one of a kind.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

The only runway directly into the magic kingdom has been closed since 1972, but it still sings to you if you drive fast enough.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The oldest living tree in Manhattan comes shrouded in sinister legend.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

An easy to overlook storefront hides some of the most authentic and regionally diverse Chinese food in New York.