If you're easily spooked, stop reading; there's still time to save yourself But if you're a fan of haunted horrors, gruesome ghouls, and murderous mysteries, you've come to the right place. which means it's time to delve into the creepiest of the creepy - haunted houses. Though only a few centuries old, America has amassed an impressive number of eerie residences, each deemed haunted due to paranormal activity or a frightful past. From spooky hotels to murder mansions, these ghostly dwellings span from America to England.