The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.

A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

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

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

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

A collection of unique outdoor sculptures surounded by the beauty of nature.

The world’s largest collection of Tiffany glass sits in a warehouse in Queens.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The Vatican of the movie industry turned into an actual church.

The largest known open fault in the United States is basically a giant natural refrigerator.

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

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

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

This secluded ruin was once a home for exotic plants.

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

Waterway populated with abandoned projects, including a submarine.

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

The oldest pastificio in Queens offers visitors fresh noodles and a peek inside the macaroni-making magic.

An old dining hall now serves up ghost stories for lusty locals.

Final resting place of two dozen New York City harbor ships.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

This once-private estate is now a dreamy, meditative garden that's open to the public.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.