There is no escape...believe it or not. Mathematics is everywhere.
Please write your ideas for introducing Geometry. I am interested in knowing some activities for initiating a lesson.
GreatDouglas E.Lewis, even I am also doing the same way. I have created a blog where I am posting pictures on the theme Mathematics around. Most of them are dealing with geometry. You may visit http://mathematicsaround.blogspot.com
Thanks for sharing.