The Adventures of Mark Twain (1985 film) a bout of one-upmanship, Tom Sawyer, Huck Finn, and Becky Thatcher sneak aboard an airship piloted by Mark Twain in an attempt to become famous aeronauts. Upon discovery, they find that Mark Twain intends to pilot the airship to meet Halley's Comet. Worried that this goal will end in their deaths, the trio learn to fly the ship while conspiring to sabotage the voyage. After discovering the truth behind Twain's journey, the trio recognize their folly, and the group navigates storms and treacherous skies with the help of a mysterious dark figure who turns out to be Mark Twain's dark
Mark Twain Cave cave complex is Sticks & Stones, an interactive gem shop where children and adults can sluice for semi-precious stones, much like Twain did in his brief gold panning career. The caves continue to provide entertainment and education for thousands of visitors each year. One of the most notable visitors was U.S. President Jimmy Carter, who toured Mark Twain Cave with his family in 1979. The guided tour of Mark Twain Cave takes approximately 55 minutes, while the larger Cameron Cave tour averages one hour twenty minutes in length. Mark Twain Cave is open year-around except Thanksgiving and Christmas days. Cameron