LifeSmarts - Learn it. Live it.
There is a monthly calendar you can print out with Lifesmart questions and answers you can use with your kids.
1000 Good Books
Article contains a nice list of classic books, separated by age.
Homeschool Field Trips
Jan Parsons organizes field trips for local homeschoolers. A good source for discounted rates without having to organize a field trip yourself.
Arizona Families for Home Education
Large statewide organization for homeschoolers; puts together the large Arizona Home Education Convention each year.