The August 2014 BOYS' LIFE has an article "An Expert Recommends the Best Beginner Caves" on page 16. Can't argue about his expertise...it's Bill Steele. The 4-page article can be summed up with one quote: "Start with...easily accessible show caves. I recommend going on a 'wild' caving trip at a show cave. They have the helmets, lights and guides to keep it safe and interesting." The "article" is mainly photos of cave scenes. However, there is a narrated slideshow at boyslife.org/steele that is worth showing scouts.