Crash Course
Crash Course World History Ep. #21: Columbus, De Gama, Zheng He! 15th Century
In this Crash Course video, John Green teaches you about the beginning of the so-called Age of Discovery. You've probably heard of Christopher Columbus, who "discovered" America in 1492, but what about Vasco da Gama? How about Zheng He?...
Khan Academy
Khan Academy: Tree of Life: Human Prehistory 101: Epilogue
A video investigating the migration of people from continents to continents. [2:45]