Pass for two adults and two children to the American Cave Museum (with a variety of hands-on science activities) and a one-hour guided walking tour of the Hidden River Cave in Horse Cave, KY. Discover the history and science of America's natural caverns through educational and informative exhibits. Exhibits include: Bats, blind fish, and other cave animals; prehistoric and modern cave explorers; hisotry of Horse Cave and Mammoth Cave; the incredible Floyd Collins story; saltpetre mining; and groundwater science and cave geology.