The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

This semi-hidden Manhattan restaurant is based out of a loading dock.

More gold than anywhere else, ever.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A Red Hook dive bar that is holding onto its roots.

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

A veritable variety of odds and ends.

A basement pool hall is the front for some of the best Dominican food in New York City.

You don't have to be an ambassador to dine like one.

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

The former sign of this immortal music venue is just that--undying.

Final resting place of the immigrant who brought artificial seltzer water to America.

The legendary court where emerging basketball players gain their street cred.

Historical figures from New York City's Catholic community reside in Midtown.

What happens here stays here – unless it affects the whole world.

This was one of the first (and last) university-built and operated nuclear reactors.

More than 300,000 historical artifacts from the famous music venue, from Duke Ellington's handwritten score to The Beatles' booking slip.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

Nikola Tesla's former home contains an homage hidden from plain sight.

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

New York's oldest and possibly grandest keeper of books.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.