Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

An abandoned stretch of highway, deteriorating next to the operational one.

Catch a ride through the Pennsylvania countryside on this historic narrow-gauge railroad.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

Considered by many to be a local landmark and treasure.

The ruined remains of a coal mining ghost town are hidden within the woods.

This edgy museum will whet your appetite for the industrial history of Western New York.

Home on the Hillside, and home of the first breakfast cereal.

World's largest herd of white deer populate a former U.S. Army depot.

An abandoned asylum where patients have been forgotten but their possessions remain.

Curtiss is a forgotten figure in the early history of flight.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

An underground blaze turned this village into a ghost town.

A toxic ghost town sitting atop a massive coal fire.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A museum and research center dedicated to preserving the history of Rolls-Royce and Bentley motorcars.

A converted hangar displays dozens of helicopters, from a famous 1943 rescue chopper to several autogyros.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

A World War II-era submarine is stuck in the mud in New Jersey.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

An eerie ship cemetery with gunfire as a soundtrack.

A miniature village lies nearly forgotten in the forest by the side of a major highway.