This abandoned ironworks was once the most important military supplier in America.

The Fox Sisters, America's leading mediums in the mid-19th century, possessed a table they claimed helped them "communicate" with the dead.

Buffalo's abandoned concrete grain elevators are getting a second life.

Pluto is still considered a planet in Ithaca, New York.

A formerly abandoned mental institute, now back in business.

A preserved factory in the "Home of the Carrousel" is now a museum dedicated to the classic wooden ride.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

This throwback amusement park is home to rides and unique storybook figures from the past.

An unassuming nature trail winds through dozens of tiny houses built for the wee people.

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

An abandoned tuberculosis hospital moulders on into an uncertain future.

The great American road trip, but smaller.

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

The Hudson River School comes alive at this palatial estate.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

The floor-to-ceiling collection in an old factory is a unique alternative to stuffy galleries.

Possibly the smallest church in the world floats in the middle of a pond.

The attic and basement house two museums stuffed with oddities like swallowed spoon handles and a shrunken head.

This small Catskills village has six independent bookstores and more bookshops than restaurants.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

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

This art center is way beyond your average pumpkin-carving operation.

A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.

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