This 2017 episode covers Great Zimbabwe, a massive stone city in southeastern Africa that was a thriving trade center from the 11th to 15th centuries. When Europeans learned of it in the 16th century, they were certain it wasn't African at all.

Behind the Scenes Minis: Whoopsy Whimsy
24:41

Great Lisbon Earthquake of 1755
39:02

Benzedrine, Pervitin, and WWII
39:42