This original Mason-Dixon line cairn placed in the 1760s was put in the wrong location because of the gravitational pull of the Allegheny Mountains.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

This striking Victorian Home with its 113-foot turret is best known as the site where abolitionist John Brown was executed in 1859.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

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

A natural spring situated on the grounds of the Hawthorne estate.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.