Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

Holding the most bodies of any cemetery in the United States.

Two New York rooftops are home to the largest rooftop soil farms in the world.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

Hear the tales of New York's most notorious criminals.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

Unrepaired walls from a 1920 anarchist bomb attack.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

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

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

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."

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

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

The famous author's cottage hideaway.

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.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This old army installation has worn many hats throughout its history.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

These unique volcanic rock formations offer the perfect opportunity to camp and hike.

This old ruin once served as a post office, a train station, a restaurant, and a bridge to the Atomic Age.

A strange sandstone formation in the middle of nowhere presents an interesting climbing opportunity.