Fall colors is one of the best rides.
If you live in an area where there a several differenet types of trees, you can see how each type changes. In Maples alone, I have at least ten different types changing and it is excellent to look at.
BTW, If you all are going to send out "Senior" moments, make sure you don't forget to attach all of the moment. Going through the mail is a great display of "CRS".