The first pet cemetery in the United States.

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

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

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

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

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.

Believe It or Not, Ripley once called this chiseled mountainside “New York’s Mount Rushmore”.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

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

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

"A hideous albatross in the Hudson River Valley."

This mouldering abandoned mental hospital was once a center for progressive healing.

The great American road trip, but smaller.

All that remains of the once-booming chain is a single orange-roofed restaurant.

This throwback amusement park is home to rides and unique storybook figures from the past.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

Three acres of mythology-inspired sculptures are visible from the highway.

A distillery built on (and above!) mobster Dutch Schultz's Prohibition-era underground moonshine business.

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

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

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

This abandoned cemetery has a dark past of bodies buried over bodies.