The remains of a century-old mansion that met a fiery demise years after it was deserted.

Oldest existing wire suspension bridge in the United States.

This sprawling woodland estate was the brainchild of iconic American industrial designer Russel Wright.

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

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

Home to the abandoned Tioronda Hat Works Factory, this park is a combination of woodlands and marshlands.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.

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

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

An unexpected canine grave atop a mountain.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

The highest point in Connecticut was incorrectly memorialized before surveyors discovered the actual spot.

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

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