The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

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

The "Skinny House" is made from scrap, salvage, and a neighbor’s kindness.

100 massive sculptures in the Hudson River Valley.

Eight whimsical acres of metal art.

Journey through vintage Americana inside this small Massachusetts shop.

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

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

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.

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

The real-life site of Ichabod Crane's infamous gourd attack.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

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

One philanthropist's extensive collection of knick-knacks and curiosities is now a public museum of oddity.

A plaque on a rock dedicated to a famous, forgotten author, and put in an impossible place.

Spies, love letters, and ghost stories have all left their mark on this home-cum-museum.

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

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

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

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

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

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

This abandoned ironworks was once the most important military supplier in America.

This small-town Connecticut restaurant gives each diner a free book from its vast library.