Sip a cappuccino in the historic cafe that introduced them to the United States.

Dine on old-school red sauce fare at a former mob hang out and film set for The Sopranos.

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

The greatest real estate coup of all time.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

The oldest living organism in New York City. Maybe.

The home of aviation trailblazers, in a remote corner of the big city.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

New York City's only wildlife rehabilitation center treats more than 3,000 feathered and furry patients each year.

The mosaic Star of David at the front of this store hints that it's no ordinary Italian grocer.

An unconventional space for art and science housed in a massive old warehouse.

Collect holy water from a Bronx grotto.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

An everyday Jackson Heights bodega conceals a Mexican seafood paradise.

Jimi Hendrix's legendary recording studio in Greenwich Village.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

Established in 1937, the oldest candy shop in New York City boasts a rainbow-colored inventory that would make Willy Wonka envious.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

Play heads or tails with thousands of different coins.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

You must take the A train... to the last active cemetery in Manhattan.

Harlem park dedicated to compulsive hoarders killed by their own junk.