In honor of the National Park Service's 100th anniversary there are 16 FEE-FREE days to all National Parks in 2016! Mark your calendars and start planning your visit now: http://www.nps.gov/findapark/feefreeparks.htm

Though Mammoth Cave National Park is Kentucky's only national park, our state has several NPS sites that are free to visit throughout year including the boyhood home of Abraham Lincoln:http://www.nps.gov/state/ky/index.htm