A once grand hotel is being retaken by the wilderness it once capitalized on.

A peaceful international sculpture garden in upstate New York.

Now the final resting place of prominent artists and musicians, it was originally founded to separate the rich from the poor in death.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

An unassuming island in the middle of the Hudson that hosts campers, including Aleister Crowley.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

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

The roadway bend where highway painters practice their craft looks like expressionist art.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

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

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

The oldest continuously inhabited street in America.

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

The skeletal white beams stand as a monument to religious dissent.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

An abandoned castle owned and ignored by Masons carries a cursed history.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A science teacher's dream.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This shop for all your super spy needs hides an educational secret.