That picture is great. Is it open year round. I am planning a trip to go deer hunting near Marshfield this fall and I am bringing my whole family. I lived there as a teenager and visited about two months ago. I am staying with relatives there and would be open to more ideas of cool places to go.
There are a number of caves near the Branson area. If you are looking for non-commercial caves to explore, there is one near the White river South East of Mtn Grove MO (off of HWY C).