The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

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

Oldest existing wire suspension bridge in the United States.

A winding, cliffside stretch of road overlooking the Delaware River.

Six peaceful acres in a residential neighborhood dedicated to art and peace.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

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

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

This whimsically unique butterfly farm focuses solely on creating habitats for the gentle insects.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

The second largest maple syrup producer in the U.S. runs a high-tech operation.

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

This sprawling woodland estate was the brainchild of iconic American industrial designer Russel Wright.

Reforestation in action is the main attraction in this abandoned quarry.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

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

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

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

This abandoned factory on the Hudson River once churned out a million bricks a week.

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

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

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