karstian landmarks

i did not know of all the karst caverns in texas, but there are a lot --- cascade caverns, near boerne, was first opened to the public in 1932, but closed by world war ii, during which its artifact collection was stolen from the gift shop --- reopened in 1947 --- a lot of alterations, including turning the original cascade into an artificial water feature 

we  had the good fortune of an excellent guide, young jeremy, a geology student giving his last week of tours at cascade before graduation --- easy on the eyes he was