A bizarre house filled with an astounding array of collections.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

A trailblazing sovereign nation tucked in the American state of Wisconsin.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

Statue dedicated to the star of an old television show.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Historic home to one of the most famous women pioneers of the 19th century.

The humble horn finally finds a place in the sun.

The studio of influential composer Charles Ives is perfectly reconstructed, hidden in the back of the American Academy of Arts and Letters.

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

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

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

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

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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

One of only two commuter aerial tramways in the United States.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

Peek through the gates at this oasis from the city, full of Old English charm.

More gold than anywhere else, ever.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Plot your trip through the city on the sidewalk.