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

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

New York City's first Modernist house.

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

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

This Manhattan museum houses one of the largest collections of Spanish art and manuscripts outside of Spain.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

There's a piece of New York City transportation history hidden in plain sight at a Manhattan subway stop.

A Gothic-style abode built to accommodate the church's three resident peacocks.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

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

Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

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

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

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

A memorial to the first person killed by a motor vehicle in the Western Hemisphere.

Built just after the American Revolution, the oldest row house in New York City still stands in Chinatown.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

This iconic tattoo shop has its own onsite museum with artifacts from the early history of modern body art.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.