After a dying criminal confesses that his loot has been stashed "in the tower", the Hardy boys make an astonishing discovery.

While going through the possessions of a deceased guest who owed them money, the mistress of the inn and her son find a treasure map that leads them to a pirate's fortune as well as great danger.

Join Odyssey Marine Exploration as they try to find two shipwrecks where the treasure is worth millions. Includes footage of dozens of never-before-seen sunken ships, as well as countless stories of those courageous men and women who died, and those who survived them.

"Describes the things that pirates considered treasure, how they got their treasure, and what they did with it"--Provided by publisher.

When their marine biology professor disappears, the Thea Sisters search for him, and together they try to stop some wicked mice from stealing a treasure lost in a shipwreck, after which they head to China to find another treasure.

Thirteen-year-old Trixie Belden and her friends search for hidden treasure in a mysterious mansion owned by an old miser.

Receiving a mysterious cache of documents written in codes and ancient languages, a perplexed woman enlists the help of Jonathon Payne and David Jones before discovering that she holds important predictions by the prophet Nostradamus that violent forces are determined to suppress.