I always have fond memories of Halloween. One of the neatest Halloween activities I've done in the past was to attend Dia de los Muertos at the Hollywood Forever Cemetery. To have access to such a fascinating cultural tradition that I never had exposure to as I was growing up is amazing to me, although this celebration tends to be a mixture of tradition and current happenings.
Below are some photos of the event from 2006 including the altars and dancers.
Be safe and happy halloween!