A natural gas leak provides a flickering flame beneath a waterfall.

A once grand hotel is being retaken by the wilderness it once capitalized on.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

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

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

An abandoned castle owned and ignored by Masons carries a cursed history.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The "Seinfeld" diner.

More gold than anywhere else, ever.

Sniff the Titan Arum's rotting flesh.

One of only two commuter aerial tramways in the United States.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

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

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

A semi-scholarly approach to sex.

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

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

Try not to get slimed in Tribeca.

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

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A crumbling hospital from the 1850s on Roosevelt Island.

A melancholy guardian doubles as a judicious godmother to this small town cemetery.