The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

There is beauty and history in the ruins of this former company town.

Rows of 19th-century brick ovens used to process coal into coke form the center of a wooded park.

Landmark dedicated to the plight of the American Indian in the 21st century.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

A table rock formation that has been intriguing West Virginians for years.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

A cult archaeology conspiracy theory claims these West Virginia petroglyphs were written by Irish monks in Ogham.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

This abandoned train tunnel has been the subject of countless ghost stories for years.

Winding country roads in eastern West Virginia lead to an extraordinary place populated by fiberglass giants.

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

In the mountains of West Virginia is this perfectly preserved Art Deco train station.

Once home to a thriving oil industry, this town now sits eerily abandoned.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

The remains of one of the last mining camps developed on the New River.

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

Take a steam-powered ride straight out of the past on this Appalachian rail line.