Don’t know what to do to celebrate Halloween? Here’s a few ideas: Allen's Haunted Hayrides Fayette County Now in its 33rd year, Allen's Haunted Hayride bills itself as the oldest haunted hayride in America. Ghosts and ghouls await you in the dark woods and fields, and haunted barn. Campfire sites, carnival rides and concessions invite you to make an evening of it. Castle Blood Westmoreland County The MacCabre Family is back for their 20th year in an all-new indoor location in Monessen in Pittsburgh's Mon Valley. This popular haunt includes thrills, chills, awesome special effects, and a very interactive experience. Daytime "no...