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

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

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

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

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

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

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Mysterious 500-year-old tapestries depict a unicorn hunt.

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

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

A celebration of capitalism in Midtown.

A legendary speakeasy bookstore returns from the brink.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

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

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Try not to get slimed in Tribeca.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.