An Island Off an Island – Jon Wertheim ventures to a 90-square-mile jewel of land off the coast of Newfoundland, Canada. Fogo Island's population was decimated when its one and only industry, cod fishing, went into steep decline. Now, an eighth-generation Fogo Islander has returned home with deep pockets and a plan to bring the place and its people back. Nathalie Sommer and Kaylee Tully are the producers.Caligula's Gardens– The gardens of the Roman emperor Caligula have been discovered and excavated, and some of the most remarkable finds are now on display. How does this affect scholarly efforts to take a new look at the emperor and whether he was as cruel and depraved as he's been made out to be? Anderson Cooper reports from Rome. Andy Court is the producer.Return to Gorongosa – Gorongosa was once a crown jewel of African national parks, but its wildlife was destroyed by three decades of war. Scott Pelley shows us how the park in Mozambique and its people have rebounded with the help of Greg Carr, a former tech entrepreneur from Idaho. Henry Schuster and Sarah Turcotte are the producers.