The Leaning Tower of Pisa

13. The Patient Assassin

Extremely Close Elections

The Zodiac

The Erfurt Latrine Disaster (Encore)

60. Britain's Most Famous Slave

69. A Reckoning with Slavery

14. Muhammad Ali Jinnah

The 12 Days of Christmas

Roman Concrete

Where Did Mathematical Symbols Come From? (Encore)

Cryptography

17. Rishi Sunak's Ancestry: Indians in East Africa

77. The Great Game Begins

The Legend of Andre the Giant

Get the Lead Out

The Doolittle Raid

Were the Dark Ages Really That Dark? (Encore)

Bell Labs

A History of Antarctica