Tom Sawyer Island is an artificial island surrounded by the Rivers of America at Disneyland, Magic Kingdom and Tokyo Disneyland. It contains structures and caves with references to Mark Twain characters from the novel The Adventures of Tom Sawyer, and provides interactive, climbing, and scenic opportunities. At Disneyland in 2007, the attraction was rethemed and expanded as Pirate's Lair on Tom Sawyer Island, adding references to Disney's Pirates of the Caribbean film series.