Historic Hotels That Offer Ghost Sightings with a View Omni Mount Washington Resort in New Hampshire Going away for Halloween? You might want to go all out and consider a stay that includes ghosts at no additional charge. One of the most haunted is the Omni Mount Washington Resort, a posh 116-year-old resort that looks like a castle in Austria or Germany, but is actually tucked away in the mountains of New Hampshire. The Omni Mount Washington was actually constructed…