Your Lost Sea adventure begins with a guided tour of the caverns. This involves a 3/4-mile round-trip walk on wide sloping pathways. While touring the caverns and underground lake our guides will tell of the cavern's exciting and colorful history.
Mark Twain Cave
Mark Twain Cave and Campground is Missouri's first Show Cave. The cave was first shown in 1886 and is a Registered Natural Landmark.