Seriously good slices of Sicilian pizza lurk at the back of the Bronx's oldest enclosed market.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

The first pet cemetery in the United States.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

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

The first and only carousel with a lineup entirely of insects.

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

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

The famous author's cottage hideaway.

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The "Seinfeld" diner.

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Elevated freight railway turned wildly successful urban park.