Franklin's Lost Expedition, Part 17 years ago

34:43

Franklin's Lost Expedition, Part 27 years ago

36:54

Victorian Post-Mortem Photography7 years ago

34:24

Amelia Earhart7 years ago

42:37

The Plague, Part 1: the Plague of Justinian7 years ago

32:17

The Plague, Part 2: The Black Death7 years ago

37:07

The Plague, Part 3: The Third Pandemic7 years ago

34:43

The Black Hole of Calcutta7 years ago

35:37

The 1918 Influenza Pandemic7 years ago

38:26

Doppelgängers7 years ago

34:16

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