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

The most confusing clock in New York.

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."

Rummage through this sunken ship, but leave your scuba gear at home.

A crumbling hospital from the 1850s on Roosevelt Island.

Unique antiquarian shop specializing in globes, maps, and prints.

Wine bottle sculpture with a ship's stateroom inside.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Risk arrest while partying to fund art.

Check your calendars; you might be attending a drive-in movie or sitting next to a fashion runway.

New York's oldest magic store.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

From scholastic to sepulchral - now under reconstruction.

An 1883 schoolhouse now home to collective of artists.

The oldest surviving synagogue in New York City is now a soaring art space.

The phone booths of New York City have all but disappeared, but their remains were once found in this "graveyard," sadly now removed as well.

The tiniest little stage in New York.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

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

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.