In addition to the ones you listed, the nature area offers archaeology, energy, engineering, geology, space exploration, weather, indian lore and nuclear science. As you can imagine, we don't get too many first year campers in the nature lodges. All are not taught all periods, so the class load isn't too bad for staff. We had over 40 snakes last year, plus other reptiles, so had a young staff member dedicated to feeding, charting, and cage cleaning.
This forum is but one of many avenues we are using, and thank you to the youth and young adult members that have inquired already.