The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

The patron saint of spinsters grasps a container of dried blood.

Railroad came. People came. Railroad left. Town died.

One-layer pyramid in Indiana.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

Ruins of a Carnegie family mansion on Cumberland Island.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

The remains of a chapel created for convenience.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

Settled in 1696, abandoned after the Revolutionary War.

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

An unfinished rail tunnel that has since been used to house cheese and bats.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Origin of the blue-skinned Fugates of eastern Kentucky.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

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