Over 95 Years of Discovery! Where science, adventure, and discovery are NATURALLY FUN! One-hour interpretive tours of two spectacular crystal caverns. Educational programs, Black Light Adventures, Raystown Rocks Gift Shop, gem panning, primitive camping. Great family events…October Ghosts & Goblins Tours, February Batfest, National Caves & Karst Day and Discovery Days in June, plus weekly Summer Events too! Closest Cavern to Raystown Lake.