Season 41
He risked his life for the nation and became a world icon, but who was Neil Armstrong?
First Man on the Moon
Explore the buried clay warriors, chariots, and bronze weapons of China’s first emperor.
Emperor's Ghost Army
Experts recreate the French's daring first manned flights, which Franklin had chronicled.
Ben Franklin's Balloons
Will analyzing the hunting instincts of this endangered predator reduce deadly attacks?
Why Sharks Attack
Discover how Germany’s Zeppelins rained fiery terror on London in World War I.
Zeppelin Terror Attack
Are we alone—and if not, what might the inhabitants of far-flung worlds look like?