Halloween in the United States is a non-religious holiday celebrated on October 31st with scary decorations and costumes. People celebrate by carving jack-o-lanterns from pumpkins, going through haunted houses, and children participating in trick-or-treating by dressing up and getting candy from house to house while saying "trick or treat." Popular costumes include vampires, witches, Frankenstein's monster, werewolves, and mummies. Halloween parties are also common where people may bob for apples or play games.