The Origin of Words and Phrases: Shakespeare Edition

Operation Fork and Iceland in WWII

The Toba Eruption

More Than You Ever Really Wanted to Know About Sewers (Encore)

The Large Hadron Collider

The Anarchy

The Persian Empire(s)

Lady Death: Lyudmila Pavlichenko (Encore)

The Negro Leagues

Father and Son Medal of Honor Recipients

Invasive Species

Rat Eradication on South Georgia Island (Encore)

The Lost Civilization of Atlantis

Iron

Gunung Padang

The Night the Stars Fell Down

Bell Labs (Encore)

The Cadaver Synod

How The Secret to Silk Was Smuggled Out of China

The Town That Forgot It Was Part of the United States