Mammoth Cave is one of the most popular national parks, and a favorite of hikers and families from the tristate area. But how much do you know about the miles of caves in the park?
Longtime guide Colleen O’Connor Olson joins Elaine Diehl to talk about the park and her new book, Mammoth Cave Curiosities: A Guide to Rockphobia, Dating, Saber-toothed Cats, and Other Subterranean Marvels.