Every year on the 31st of October, both children and adults dress in costume and celebrate Halloween. Children go door to door trick-or-treating and getting candy and chocolate from the residents in their neighbourhoods, and adults often celebrate by going to costume parties and Halloween events. Under the History of Halloween tab, there is a video that will explain where Halloween originated and why Halloween is celebrated. Under the Symbols tab is an explanation of various symbols of Halloween. If you are celebrating Halloween this year and you're having trouble thinking of a Halloween costume, there several ideas beneath the Costumes tab with accompanying links to different costume sites where you can search for more ideas or even order your costumes online. If you're thinking you may want to host a Halloween party this year, check out the Halloween Party Decorations and Ideas tab. Here is where you will find some ideas on how you can decorate your Halloween party.