The origins of three weapons that led to the rise and fall of empires.
The origins of three life-saving medical marvels that revolutionized treatment and expanded the limits of medicine.
The origins of three feats of invention that revealed the world beyond and within in almost unthinkable detail.
The origins of three life-saving technologies for forecasting danger, helping us predict and endure some of Earth's most deadly phenomena.
The origins of three physical challenges that suggest the human body, combined with mental determination, is truly limitless.
The origins of man’s means of harnessing one of Mother Nature’s most crucial elements.
The origins of three fighters throughout history who have defended and advanced power.
The origins of three war machines that changed the face of modern warfare forever.
The origins of three forms of government and the struggle for nations to define themselves.
The origins of three revolutionary war vessels and the pursuit of naval supremacy.
The origins of three fields of medicine that preserve the health of body and mind.
The origins of three ways man experiences the unknown.
The origins of three paths to destruction that are side effects of civilization.
The origins of three professions that have kept us safe through the ages.
The origins of three institutions of justice through the ages.
The origins of three important inventions that helped man protect himself.
The origins of three household conveniences that have forever changed our everyday lives.
The origins of three modern branches of medicine that increase the quality and quantity of human life.
The origins of three specially trained animals that changed the face of war.
The origins of three revolutionary aircraft that enabled Man to travel to the skies and beyond.
The origins of three archetypes that have achieved icon staus in the minds of people worldwide.
The origins of three popular games worldwide.
The origins of three specialized intelligence personnel.
The origins of three structures designed for sports and physical fitness.
The origins of three performing artists through the ages.
The origins of three supernatural beings in ancient folklore.
