The observance of Halloween, which dates back to Celtic rituals thousands of years ago, has long been associated with images of witches, ghosts and vampires.
Over the years, Halloween customs and rituals have changed dramatically.
Today, Halloween is celebrated many different ways, including wearing costumes, children trick or treating, carving pumpkins and going to haunted houses and parties.
How do you celebrate Halloween?
Share your videos and photos of costumes - both new and old - and family outings to the pumpkin patch, the harvest festival or door-to-door for tick-or-treat.
KVAL BooNews reporters have shared lots of Halloween photos over the years. Take a look at some of the photos