A winding, cliffside stretch of road overlooking the Delaware River.

A mysterious air force base built to resemble a Long Island fishing village.

This tiny little island has, as the name says, just enough room for its single house.

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

This old cement mine has been used as everything from a mushroom farm to a recording studio.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

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

This derelict building used to house infirm Freemasons, their widows, and orphans.

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

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

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

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

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

The Hudson River School comes alive at this palatial estate.

A castle built for love, and abandoned due to heartbreak.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

"A hideous albatross in the Hudson River Valley."

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

An abandoned asylum where patients have been forgotten but their possessions remain.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

Home on the Hillside, and home of the first breakfast cereal.