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

Ever wanted the laymen's version of your credit card fine print?

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

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.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

100 massive sculptures in the Hudson River Valley.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

The most confusing clock in New York.

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

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

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Walk into the 19th century without leaving Brooklyn.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

The former hotel where Tesla invented the radio.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

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.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.