Officials at the Mark Twain Cave in Missouri said a signature found on a limestone wall could belong to the author of "The Adventures of Tom Sawyer," according to a news release by the Missouri-based ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A pair of Mark Twain enthusiasts who have ...

MISSOURI – While Missouri is known as the “Show Me State,” it’s also been deemed the “Cave State” as there are around 7,500 caves, according to the Missouri Department of Natural Resources—and two of ...

A pair of Mark Twain enthusiasts who have searched for more than two decades say they’ve found what appears to be Samuel Clemens’ signature from his youth scrawled on the wall of the Missouri cave he ...