This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

Oldest existing wire suspension bridge in the United States.

The lost town of Neversink, sunk by New York City.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

This tiny little island has, as the name says, just enough room for its single house.

A town trapped in time - 1958 to be exact.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

The most confusing clock in New York.

A mysterious echo seems to defy the laws of acoustics.

A winding, cliffside stretch of road overlooking the Delaware River.

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

An artist's cute bronze subway sculptures belie his violent artistic past.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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

A bit of retro transportation flair preserved in the world's largest department store.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Elevated freight railway turned wildly successful urban park.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

This water tower commemorates the invention of the transistor on this site in 1947.