An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

The remnants of a luxurious resort that saw its peak in the 1970s and 1980s has been abandoned since 2009, leaving behind the wreckage of both the hotel and a beautiful ice skating rink.

This small, hidden cove is home to abandoned boats.

A beautiful, historic location open to the public.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

Constructed in the 1920s, this former pencil factory is now an office building.

HBO series' stage tucked away in a Greenpoint lot is the largest theatrical set of its kind in the United States.

A reminder to choose water over wine since 1888.

An unconventional space for art and science housed in a massive old warehouse.

The little-known final resting place of one of America's greatest writers.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

The real-life site of Ichabod Crane's infamous gourd attack.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

Brooklyn's most iconic restaurant, resurrected.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

This throwback amusement park is home to rides and unique storybook figures from the past.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

A decommissioned military complex that's now a modern industrial park.

An isolated beacon with a history of grisly murder and a view of some of literature's greatest inspirations.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

The home, museum, and death site of Kodak's influential founder.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.