This abandoned factory on the Hudson River once churned out a million bricks a week.

This once luxurious Catskills resort is now a haunting ruin.

This mouldering abandoned mental hospital was once a center for progressive healing.

A legendary speakeasy bookstore returns from the brink.

This sprawling art park is filled with sculptures, nature trails, and art workshops.

Now the final resting place of prominent artists and musicians, it was originally founded to separate the rich from the poor in death.

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

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

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

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

The Hudson River School comes alive at this palatial estate.

The remains of what was once the world's steepest passenger funicular.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

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

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

A peaceful international sculpture garden in upstate New York.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

100 massive sculptures in the Hudson River Valley.

Why have you never heard of the second most popular tourist site in New York?

A mysterious echo seems to defy the laws of acoustics.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

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