ourney by lantern light back to prehistoric times in Mammoth Cave National Park , one of numerous guided tour options at the world’s longest-known cave system. While exploring Kentucky’s Cave Country, see unique formations at Crystal Onyx , Diamond Caverns , Hidden River , Lost River , Mammoth Onyx , Onyx or Outlaw caves. In Horse Cave, take a hay wagon trek to see wildebeests, camels and alpacas at Dutch Country Safari Park . You can feed and pet a kangaroo at Kentucky Down Under Adventure Zoo . Boat, fish, golf, hike and swim at Barren River Lake State Park in Lucas. Look-ing for more relaxation? Downshift to watch a setting sun melt into the lake from your balcony, patio, the beach or Highlands Pub . Thoroughbreds pound over the European-style racecourse at Kentucky Downs in Franklin, and the thoroughbred of sports cars – the Corvette – zooms around the track at NCM Motorsports Park in Bowling Green near the National Corvette Museum . Please DO touch the railcars at Bowling Green’s Historic Rail Park and Train Museum . At Russellville’s SEEK Museum , follow a story of enslavement through three generations and a half-dozen heritage sites, where the struggle for equality played out over two centuries. Slip into the history of the Shakers in the place where it happened: South Union Shaker Village . Kentucky Downs , Franklin Mammoth Cave National Park , Mammoth Cave 114 #TravelKY