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

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

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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