In Juab County, Utah, there is a natural cave that rivals man-made architectural wonders. This limestone and feldspar cavern was once filled by Lake Bonneville. Since 1956, the Bates family has curated the attraction for the Federal government and offers guided tours from their nearby ranch. The story goes that the father of the family was out looking for his sheep in the hills and chanced upon a narrow opening in the rock. He uncovered a massive cavern that has, for years, sparked archaeological and geological debates as experts continue…