The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Visit the monolithic tomb of America's most famous general.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Down a stairway in the East Village, you could once read a plaque describing an alternate history of a fictional version of Manhattan.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

A celebration of capitalism in Midtown.

Plot your trip through the city on the sidewalk.

A terrific purveyor of natural history objects and curios.

One kilometer of thick brass rod laid out before your eyes.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

Set sail on a small scale.

On the Hudson resides one of the largest clocks in the world.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

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

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

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

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.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Concrete igloos standing across from what remains of the Michigan Central train depot.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district