Halloween is an annual holiday celebrated each year on October 31. It has roots in the Celtic festival of Samhain and the Christian holiday All Saints' Day. Today is one of the most celebrated annual holidays around the world. Some of the most popular Halloween activities are: trick-or-treating, wearing costumes and attending costume parties, carving jack-o'-lanterns, visiting haunted attractions, watching horror movies and telling ghost stories. Because Halloween is coming soon I thought…