Overview: What are the concerns of archaeology today? How will improved methods and scientific technology shift perspective on the past? The last episode of this series looks at the shift from excavating grand palaces to discovering and learning more about some of the earliest communities, such as at San Jose Magote in the Oaxaca Valley in Mexico, where evidence has been found of human habitation dating back 3,000 years. The program also interviews Professor George Bass of the Institute of Nautical Archaeology in Texas, the father of underwater archaeology, who has discovered and cataloged numerous shipwrecks off the coast of modern Turkey, some dating from the Bronze Age.