The Union's USS Monitor was a decisive factor in the Civil War. Today it rests in the nation's first marine sanctuary. Join a team of Navy divers as they attempt to recover priceless artifacts; meet the ship designer who built the Monitor; see a realistic reenactment of the battle that changed the course of the Civil War; and discover a powerful military past as the secrets of the Monitor's service emerge from the deep.

Special features: guide for teachers (PDF).