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

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

"A hideous albatross in the Hudson River Valley."

The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.

The oldest continuously inhabited street in America.

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

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

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

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The Hudson River School comes alive at this palatial estate.

An abandoned dollhouse factory.

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

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