This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

At this site, two historic stone bridges spanning the Sing Sing Kill—one right on top of the other.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

A historic Black graveyard hidden in the parking lot of one of America's largest malls.

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

This 220-year-old house is a reminder of New York City's Dutch past.

One of only two remaining Victorian-era greenhouses in New York.

The only subway station in the city that still makes use of gap fillers.

The Father of the Erie Canal has a magnificent grave marker that redefines the term "final resting place."

The first pet cemetery in the United States.

You must take the A train... to the last active cemetery in Manhattan.

The final resting place for the famed creator and narrator of "The Twilight Zone."

It's common to find the famous science communicator's grave adorned with pale blue marbles.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

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

Final resting place of the immigrant who brought artificial seltzer water to America.

A heartbreaking monument showing the last morning in the life of Jane Griffith.

The inventor of the Coney Island hot dog rests in a grand mausoleum in Brooklyn.

The real "father of baseball" rests in Brooklyn.

This controversial statue has migrated twice in its life.

A curious friendship between two inanimate ladies.

A mass grave for victims of one of the city’s worst fires.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.