542a Wild West Ghost Towns; Heroes of Ireland; Savage Harvest

Author Jim Hinckley recommends Old West ghost towns you can still visit, before they fade away. Irish singer Cathie Ryan shares how Ireland remembers its heroes in the lyrics of traditional songs. And journalist Carl Hoffman tells us what he learned about the disappearance of Michael Rockefeller, who vanished in 1961 while on an art-buying expedition in the jungles of New Guinea.