Boats, the Oceans, and Archaeological Evidence for Precolumbian Voyages by Alice Kehoe

From a channel Lumen includes in full: ArchaeologyTV is the Archaeological Institute of America's channel of recorded lectures and interviews with working archaeologists on excavations, methods and heritage preservation.

A 83-minute video from ArchaeologyTV's catalogue; the title names its topic.

Video by ArchaeologyTV, played through YouTube's embedded player.