An unconventional space for art and science housed in a massive old warehouse.

Manhattan's deadly West Side railroad, which killed hundreds of New Yorkers, is remembered by this simple plaque.

Risk arrest while partying to fund art.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

A big shiny gin and whiskey distillery in Sunset Park.

Con Edison’s exotic and heat-loving pests.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

An everyday Jackson Heights bodega conceals a Mexican seafood paradise.

Spike Lee's provocative film is officially honored right where it was made, the first time a work of art was used as a secondary street name.

This seemingly unremarkable boulder is said to bear the hoofprint of the devil himself.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

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

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

Deliciousness abounds at a Guatemalan restaurant masquerading as a pizzeria.

A hidden bar inside an ad agency has a deliberately misleading name, so employees can stay late under pretext of paperwork.

Spiral-bound community recipes and antiquarian gems mingle at this small East Village shop.

There are owls with glowing eyes in Herald Square.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

This mysterious marker puzzles pedestrians and infuriates geographers.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

Where the four original members of the Ramones hung out and revolutionized punk rock.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.