The whole neighborhood abounds with local tales, haunted spots, and twilight superstitions, wrote Washington Irving in the 1820s. This part of New York, straddling the Hudson River from New York City to Albany, is still rife with stories of the paranormal, including a temperance reformer who haunts the Bull's Head Inn, a floating ball of fire at the College of Saint Rose, the ghost girl of the Bardavon Opera House in Poughkeepsie, the spirits of West...