Full-time. About us. Cave of the Mounds-National Natural Landmark is a small business in Blue Mounds, WI. We are a professional, fun group of people and our goal is to educate in a fun way. We are a National Natural Landmark. Guests come from all over the world to re-discover the beauty and wonder of Cave of the Mounds. We also have hiking trails, geology based activities, and a strong historical presence in the community. Our work environment in...