Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

The first pet cemetery in the United States.

Brooklyn's Barkaloo Cemetery is the resting place of a scant two bodies.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

Once America's longest-manned military fort, now an abandoned hulk.

One Brooklyn man's collection of life-size fiberglass statues has taken over his entire yard.

New York's southernmost subway station is whimsically wavy.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

This neighborhood grocery houses a treasure trove of Eastern European delights.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

Oldest surviving example of a Dutch saltbox frame house in America.

Residents of this Brooklyn neighborhood may be unaware their houses sit atop a buried trolley graveyard.

One of the oldest Jewish cemeteries in the city, it is now overgrown with an urban forest.

A mysterious statue of a leather jacket-clad rebel leans coolly on an odd yellow clock.

A young woman's senseless murder led to the controversial psychological theory of the "bystander effect."

The Vatican of the movie industry turned into an actual church.

A long abandoned hospital building on the outskirts of NYC.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

The site of the largest mass execution in Rhode Island history, haunted by the ghosts of hanged pirates.