Whitetip Reef Sharks, the Kelp Forest, and River of Wrecks

At the remote, lush, uninhabited Cocos Island, 300 miles off the coast of Costa Rica, Jonathan witnesses a the nightly hunting ritual of Whitetip Reef sharks. Then, he travels to Catalina Island to explore fantastic kelp forests. Finally, Jonathan explores some of the historic shipwrecks in the St. Lawrence River.