Avoiding Thunderstorms and Exploring Caves in Mammoth Cave National Park.
On July 20th, we finished up in St. Louis and headed to our next destination: Mammoth Cave National Park in Kentucky, the last National Park in a vacation that included Rocky Mountain National Park, the Tetons, Yellowstone, Glacier, Banff, and the Badlands. McKenna got herself ready. We crossed through Illinois and Indiana and reached Kentucky in…