Sorrowful widows, vengeful jezebels, innocent maidens, wronged lovers, former slaves, even the occasional axe-murderess - America's female ghosts differ widely in background, class, and circumstance. Yet one thing unites them: their ability to instill fascination and fear, long after their deaths. Here are the full stories behind some of the best-known among them, as well as the lesser-known - though no less powerful.