Stunningly detailed mosaics in a New York subway station bring life to the Weimaraners of artist William Wegman's work—and to thousands of commutes.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

Harlem park dedicated to compulsive hoarders killed by their own junk.

Every dish is blessed in this basement eatery beneath a Hare Krishna temple.

A sculptural commentary on capitalism pokes up from the East River.

A uniquely lettered street sign marks the corner where the iconic word game was invented.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

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

Historical figures from New York City's Catholic community reside in Midtown.

Check out the underground party scene at the "Burning Man of Brooklyn."

This collection of grinning ephemera has grown from basement to Brooklyn.

This innocent-looking townhome is actually a subway exit.

Bowl in splendor, if you're lucky.

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

From scholastic to sepulchral - now under reconstruction.

The loneliest island in New York.

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

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

An unassuming secret door once led to a legendary watering hole.

A hip bar decorated with walls of golden skulls.

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

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