Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

A Manhattan Episcopal church with an eerie underground crypt.

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

A whimsical, but often overlooked clock in Park Avenue.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

The famous author's cottage hideaway.

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

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

During the holidays, a vintage subway train whisks New Yorkers back in time.

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

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

Unlock the secrets of the conjuring arts.

The loneliest island in New York.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

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.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

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

Ride the subways of yesteryear.