This Catskills museum preserves stumps from the earliest known fossil forest on Earth.

Original factory of John G. Borden who started what we know today known as Borden Dairy.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

Beneath its placid surface, one of New York City's primary sources of drinking water hides a haunted past.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

A once grand hotel is being retaken by the wilderness it once capitalized on.

One man's swirling six-acre monument of stone.

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

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

A unique work of art that was created without permission.

Eight whimsical acres of metal art.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

This exhibit allows visitors to wander through the interior of a replica Ice Age glacial cave.

This oversize piece of novelty cookware once cooked the largest pancake in the world.

The final resting place for the famed creator and narrator of "The Twilight Zone."

A reproduction of a giant humanoid "fossil," a hoax buried locally for construction crews to find and gain national attention.