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

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

The ruins of a town wiped out by the second-largest earthquake in recorded history.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

This small museum in a 17th-century building honors three iconic Scottish writers.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

This historic cemetery is filled with markers that look more like candy than was likely intended.

Burial ground for revolutionary veterans attracts tall tales, ghost hunters, not enough historians and preservationists.

A World War II torpedo launch station abandoned off the Polish coast.

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

A monument to the Mohawk people stands along an old Native American trade route.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

A Medieval Water Tower in the Heart of Massachusetts.

The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

One man’s hobby is another man’s world of metal wonders.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

Overgrown ruins of a turn of the century island fort that sees very few visitors.