Ancient Mega-Fort
- Episode aired Dec 4, 2009
- TV-PG
- 44m
Holding off invasion and protecting its people, ancient civilizations came up with creative, efficient, and effective means of self-protection and defense. Go behind some of history's most i... Read allHolding off invasion and protecting its people, ancient civilizations came up with creative, efficient, and effective means of self-protection and defense. Go behind some of history's most impregnable walls.Holding off invasion and protecting its people, ancient civilizations came up with creative, efficient, and effective means of self-protection and defense. Go behind some of history's most impregnable walls.