Everything you need to understand or teach Treasure by Clive Cussler.
In the Fourth Century A.D., Junius Venator and a group of Romans placed the last of a huge cache of artifacts into a man-dug cavern, lit a blasting charge and sealed the entrance. Venator was saving the items from destruction in Rome and had sailed across the ocean to make it happen. In 1991, Dirk Pitt and his crew were searching for a downed Russian submarine off the coast of Greenland...
Treasure Lesson Plans contain 134 pages of teaching material, including: