Discover the more than 400 miles of explored caverns in Mammoth Cave National Park, home to the world's longest-known cave system. The visitors center is within a twenty-minute drive of Park City, Cave City, and Brownsville and less than an hour from Bowling Green. The Green and Nolin Rivers run through Mammoth Cave National Park for more than 30 miles and provide a variety of recreational activities. Cast your line for game fish such as muskellunge, bluegill, catfish, bass, perch, and crappie. Camping is permitted at the Houchin Ferry Campground on islands, in the floodplain, or beside the river. Travel in your camper van to explore the 520,000-acre Great Smoky Mountains National Park that straddles the Tennessee border. The Oconaluftee Visitor Center's museum displays chronicles of life in the mountains from the time of the Native Americans until the establishment of the national park. Enjoy spectacular views of the surrounding mountains from the high point of Clingmans Dome. There are a lot of white-tailed deer, black bears, coyotes, groundhogs, turkeys, raccoons, and skunks. Explore the historic structures, including grist mills, churches, and homes, that offer insight into life in the southern Appalachian Mountains. Gateway Arch National Park is a 91-acre park that has an iconic 630-foot-tall stainless steel monument representing the westward expansion. For those who want to get a closer look at the arch, there is a tram system that takes visitors to the top. Take one of the riverboats at the Gateway Arch for breathtaking skyline views that have been named the best in St. Louis. The Old Courthouse is a historic building that played a significant role in the Dred Scott case that helped ignite the Civil War. You can use the additional five miles of walkways, which are great for strolls, picnics, and seeing the arch.

My Old Kentucky Home State Park covers an area of over 200 acres and is home to the Federal Hill Mansion, which is the park's most recognizable landmark. My Old Kentucky Home mansion was built in 1795 and is a symbol of the state's rich history. RVers can explore the mansion's grounds, surrounded by lush gardens and scenic trails that are perfect for hiking or biking. Visitors can also take a guided tour of the mansion, which is furnished with authentic antiques and offers a glimpse into the lives of the people who once lived there. It will take about 90 minutes to drive your travel trailer from Fort Knox to explore Nolin Lake State Park. The lake is over 5,000 acres and offers endless opportunities for fishing, boating, or simply soaking up the sun on the sandy beaches. Hike the park's 10 miles of trails that curl through the forest, offering magnificent views of the lake and surrounding landscape. From white-tailed deer to wild turkeys, the park has an abundance of wildlife to observe. The park also has several birdwatching stations where visitors can spot a variety of feathered friends. Take a vacation in your fifth wheel trailer to Patoka Lake State Park in Indiana, which has over 26,000 acres of land and water. The vast Patoka Lake covers around 8,800 acres, providing chances for waterfront activities like waterskiing, Jet Skiing, boating, fishing, and more. Visit Patoka Lake Nature Center, which provides visitors with events and programs for all ages, including guided tours, bird watching, and wildflower hikes. You will see a sizable rock shelter used by early settlers and Native Americans as you explore the 6.5-mile main trail.

Discover where Abraham Lincoln was born at the Abraham Lincoln Birthplace National Historical Park just 33 miles from Fort Knox. Lincoln's birthplace cabin has been restored to its original state, and RVers can take a guided tour and explore it up close. There are short walks with breathtaking views of Sinking Spring and Knob Creek. Campers can stroll through the farmstead, explore the gardens, and even see a working blacksmith shop. Recreate the growth journey of Abraham Lincoln from seven years at Lincoln Boyhood National Memorial. From plowing the fields to tending the livestock, guests can try their hand at the various tasks Lincoln would have done as a young boy. The visitor center has exhibits showcasing items from Lincoln's childhood, including his mother's Bible and some of his original schoolbooks. Hike on the 1.2-mile Sarah Lincoln Grigsby Trail that starts at the visitor center and follows a scenic path through the woods, providing a glimpse of the landscape. Camp Nelson National Monument is close to the fortifications along the Kentucky River in the gently undulating hills of central Kentucky. Learn more about the camp's history at the visitor center and museum. You will find out the significance of the location as a refugee camp, hospital, supply depot, and military installation. Discover the Depot Trail, which runs by the spring's retaining walls and limestone bridges.

The pet-friendly Brooks Mobile Home and Louisville RV Park has sites with full hookups for $30 daily. Add-More Campground and RV Park has 115 back-in and pull-through-enabled sites for $32 to $37 daily. You can also settle for the nearby Grandma's RV Camping, which has showers and costs an average of $30.