One of the last full-orchestra recording studios in New York City and an acoustical marvel.

The library of every book lover's dreams.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

The oldest living tree in Manhattan comes shrouded in sinister legend.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Volunteer-run library dedicated to exploring five decades of activism history.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

Unlock the secrets of the conjuring arts.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

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

A natural gas leak provides a flickering flame beneath a waterfall.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

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

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

Ride the subways of yesteryear.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

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

A hands-on traveling collection of the innovative devices of yesteryear.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A terrific purveyor of natural history objects and curios.