Statue dedicated to the star of an old television show.

A formerly abandoned mental institute, now back in business.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A crumbling hospital from the 1850s on Roosevelt Island.

One of only two commuter aerial tramways in the United States.

A sculptural commentary on capitalism pokes up from the East River.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

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

Visit the monolithic tomb of America's most famous general.

One of the only single-person private gravesites in New York City.

The legendary court where emerging basketball players gain their street cred.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

Little Red Lighthouse under the George Washington Bridge.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

The highest point on the island known for buildings that touch the sky.

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

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

A large boulder marks the place where the island of Manhattan was purportedly "sold" to the Dutch.

Elevated freight railway turned wildly successful urban park.

A dilapidated dock tells the story of Titanic's missed arrival.

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

The site of the deadly Triangle Shirtwaist Factory Fire.