This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

A nearly 100-year-old dining car in upstate New York embodies the golden age of roadside dining.

Toxic waste disaster that founded the Superfund program.

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

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

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

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

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

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

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

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

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

A fictional town that was briefly brought to life before fading once again out of existence.

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

The Catskills retreat of naturalist writer John Burroughs.

The former home of a disgraced local priest now hosts a mysterious secret supper club.

An abandoned dollhouse factory.

A massive collection of petroglyphs dating back some 40,000 years.

Complete town of 5,000 living out at sea on the world's first offshore oil platform.

A colorful and enigmatic cemetery in the middle of nowhere.

The village's cobblestone streets are lined with shops displaying exquisite copper craftsmanship.

Local legend says that whoever burns down this 2,000-year-old tree will only have seven days to live.