The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

Cryptic messages embedded in the New York City sidewalk.

This collection of grinning ephemera has grown from basement to Brooklyn.

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

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

An artist's cute bronze subway sculptures belie his violent artistic past.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

Wine bottle sculpture with a ship's stateroom inside.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

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

Detailed facade of a brownstone in Boerum Hill.

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

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

From scholastic to sepulchral - now under reconstruction.

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

Love, knishes, and best wishes from this legendary Lower East Side bakery.

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

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.