A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

An unrealized dream to wirelessly electrify the entire Earth.

Etchings in a pile of boulders on the Long Island Sound are a monument to vanquished native peoples.

This icon of the Atomic Age now lays dormant.

A living antique aviation museum in the historic town of Red Hook, New York.

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

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

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

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.

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

One New Hampshire alleyway has become home to a public gallery of feline art.