Ontario, Canada Haunted Houses can be found here at www.Hauntworld.com. Are you looking for the biggest, best and scariest haunted houses in Ontario, Canada? Every haunted attraction in Ontario from haunted houses, haunted attractions, hayrides, corn mazes, Screamparks, to everything between can be found on these pages. If you are looking for the best and scariest haunted houses in Ontario, Canada you will find them in Hamilton, Toronto or Niagra Falls the scariest haunts are found here at HauntWorld. Ontario Haunted Houses are some of the best and scariest haunted houses. We offer a zip code finder so you can locate haunted houses in Ontario, Canada closer to where you live.