An explorer of the Mammoth Cave system in Kentucky who died 100 years ago is credited with the creation of the national park. WKYU's Michael Collins reports. This segment airs on February 19, 2025.

Source: Mammoth Cave National ParkMAMMOTH CAVE, Ky. –Mammoth Cave National Park will delay opening the visitor center, cave tours and park offices until 10:30 a.m. on Wednesday, Feb. 19 due to a ...