The Adventures of Mark Twain (1985 film) The Adventures of Mark Twain (1985 film) The Adventures of Mark Twain (released in the United Kingdom as Comet Quest) is a 1985 American stop motion claymation animated fantasy film directed by Will Vinton. It received a limited theatrical release in May 1985. It was released on DVD in January 2006. The film features a series of vignettes extracted from several of Mark Twain's works, built around a plot that features Twain's attempts to keep his "appointment" with Halley's Comet. Twain and three children, Tom Sawyer, Huck Finn and Becky Thatcher, travel on an airship between various adventures. After having
Mark Twain Cave and stalactites in large open areas. Mark Twain Cave and Cameron Cave instead have a multitude of narrow, winding passages. The caves are made mostly of a soft limestone called Louisiana Lithographic Limestone and found only in a area around Hannibal and Louisiana, Missouri. The limestone has been estimated by geologists as around 350 million years old, while the cave passages were formed some 100 million years ago. Mark Twain Cave covers some consisting of four entrances and 260 passages, maintaining a year around temperature of . While it is possible that prehistoric Native Americans were aware of the cave,