This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

Several times a year, during low tide, two pairs of historic train tracks are revealed on this New Jersey beach.

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

Forgotten under the construction of a new urban roadway is a small, abandoned part of town.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

The oldest surviving wood-frame building in North America is still in the family.

America's first serial killer rests in anonymity.

The highest point in Virginia can only be reached by passing through ponies and flowers.

An eight-sided home built during a brief octagon craze in the 1850s.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A long abandoned hospital building on the outskirts of NYC.

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

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

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

A series of five defunct panopticon prisons in Cuba.

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

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

Medical history museum featuring a lovely doctor's office from the 1800s.

Solving a 60-year mystery finally gave a name to the young woman known only by the color of her clothes.