This mysterious marker puzzles pedestrians and infuriates geographers.

Holding the most bodies of any cemetery in the United States.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

Nondescript elevator doors open to reveal a stunning, surreal world.

Compensation for the destruction of a historic shipyard.

Four cars from the old system were once on display, but were removed in 2014.

Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.

“Invented in Key West, Perfected in Brooklyn."

Take in a rare, face-to-face glimpse of Lady Liberty at this tucked away Red Hook park.

Two monstrous warehouses. One now holds priceless works of art, the other stands abandoned and dilapidated.

Where there’s manufacturing, there’s fire!

Retribution for death of infamous mob boss Franie Yale was a case of mistaken identity.

This eclectic sculpture garden in Brooklyn, home to a bizarre collection of art, was once a run-down junkyard.

Detailed facade of a brownstone in Boerum Hill.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

A reminder to choose water over wine since 1888.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

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

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

The 28-foot granite map plots the locations of 40 theaters in New York City.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.