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

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

This isolated community does not want you to visit.

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.

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

100 massive sculptures in the Hudson River Valley.

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

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

The Brigadier General was so afraid of being buried alive that he had a buzzer installed in his mausoleum, just in case he woke up.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

This giant rock arrived at this quiet park thousands of years ago on the back of a massive glacier.

This forlorn park is the result of a failed investment turned tax dodge.

This high-perched pachyderm marks the memory of not one, but two elephants gunned down in small New England towns.

Astonishing collection of helmets, scientific instruments, and medical models.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

This house was the subject of an Edward Hopper painting, which in turn helped inspire the design of the Bates house in Alfred Hitchcock's 'Psycho.'

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

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

A historic Black graveyard hidden in the parking lot of one of America's largest malls.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

This derelict building used to house infirm Freemasons, their widows, and orphans.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

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