While spending a week on the Bone Rattler, a ship that is not exactly ship-shape, the pirates-in-training get stuck in Shipwreck Pass and must come up with a creative plan to save the Bone Rattler and find the treasure Captain Stinky beard seeks.

Phineas and Ferb hunt for Badbeard's treasure at their grandparents' lake cabin.

Leo sets out to teach his sister, Toby, that there are lessons to be learned by exploring the past. Little did they know that would stumble upon the answer to an old mystery.

Big Pirate Pete's treasure map has led him to Seabreezy Library, where Library Lou must convince him that the true treasure is the books.

When Jim Hawkins finds a map to the greatest treasure trove in the galaxy, he is thrust into the adventure of a lifetime. But there are rough skies ahead when he discovers that John Silver, the cyborg, may not be a friend after all!

"What if you woke up one day and discovered that the maps of the world were all wrong? Famed Explorer of the Realm Alexander West is presumed dead in the Fazian rainforest when a mysterious man with a clockwork hand leads Alexander's son Kit to half of a strange map. Soon Kit, his brother Zander, and his sister, M.K., are on their way to a remote canyon in the Arizona desert, pursued by government agents and on the trail of a fabled treasure in gold....

The Thea Sisters are five fun, lively students at Mouseford Academy on Whale Island, who want to be real, live journalists, just like their hero, Thea Stilton. Between classes, friendships, crushes, and some bizarre mysteries to solve, they find life to be a never-ending adventure!
Colette, Violet, Pamela, Nicky, and Paulina are working on a historical restoration when they learn about an ancient Viking vessel that sank off the shore of Whale

...

A Water fairy tells the mermaids a sad love story: the legend of mermaid Aroona. But Jasmine doesn't believe the tale. So when she discovers a trail that leads to Aroona's lost treasure, she sets off to discover the truth.

"The Kidd children--including twelve-year-old twins Rebecca and Bickford--follow mysterious clues that take them from China to Germany, in the hopes of finding their missing father and the treasure that will finally free their kidnapped mother"--

"Young Mildred Hubble, an apprentice witch with a reputation for being the worst student at Miss Cackle's Academy for Witches, smuggles her cat Tabby on a class trip to Gloomy Cove with unexpected results"--WorldCat.