Wu Zetian: China’s Only Female Emperor

The History of Insurance

Antimatter

Navajo Code Talkers

The 7 People Who Control the Internet

The Invention of the Airplane

Infinity and Beyond (Encore)

Out of Africa

Cromwell and the Protectorate

Yes, We have No Bananas

USA vs England: The 200-Year Rivalry

The United States Minor Outlying Islands

The Island of Saint Helena (Encore)

Valentine's Day

The Big Bang Theory

Jeanne Calment: The World's Oldest Person?

The Bloodiest Crusade

Cosmos 954

85. The Russian Conquest of America

Mount Athos