We went to stretch our legs on a road trip and coupled it with driving through Old Louisville (the historic district). The cemetery's worth seeing if you usually enjoy seeing these types of stops. I took a long time taking in all of the soldiers' graves from the Civil War going forward. It's beautifully maintained there but still radiates a powerful history. Easy to enter, we just waved to the guard parked in a vehicle at the entrance.
First tip, go to the website prior to hitting the road and book tickets that you can then pick up at will call. Tours fill up fast! When planning how many you tours you can fit into the day, plan on at least an hour in between with one having a slightly longer break for dining. Slow service in the dining hall. Bring a sweatshirt, it's 54 degrees in the cave and if you are caving all day, consider not wearing as much cotton that hold moisture and will make you slightly uncomfortable. No backpacks/bags are allowed in the cave - cargo pants help so you can put your keys and cell in the pockets. If you like taking pictures, walk at the end of the tour - you can be slow and then catch up. Lastly, if you have time for two tours, consider doing the historic tour that has a great overview of the cave's history and then one of their lantern-only tours at night which offers an entirely different cave experience. Happy caving!
It was easy to find using the address and GPS. I had read the Roadtrippers info too quickly and didn't realize it was an active community living there. The people were extremely welcoming as I braved going in past the gate (bringing my friend with me). I was polite and shared why I was there. Kindly directed to the leg sundial and the gentleman who helped us find it offered to take a picture. If nudity makes you uncomfortable, you may not want to stop, otherwise it's a fun roadside photo moment.