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

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

This recipe is set in stone.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

Join in a Seance at the Swedenborgian Church.

A Wisconsin kitsch palace from the 1930s lives its second life in 21st-century Brooklyn.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

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

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

An exhibition space dedicated to American outsider art created between the 18th and 21st centuries.

Crammed into several rooms of a Staten Island home, this museum is a vodka-soaked paean to the pleasures of drinking.

The notorious headquarters of a corrupt political machine.

The site of the deadly Triangle Shirtwaist Factory Fire.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

In the middle of suburban Staten Island, a nearly 150-year-old bakery is preserving the art of a disappearing New York treat.

Rummage through this sunken ship, but leave your scuba gear at home.

A way to take your secrets to someone else's grave.

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

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

The former hotel where Tesla invented the radio.

Hear the tales of New York's most notorious criminals.