It's GUESTEMBER, y'all! We're joined by Holly Ahronheim, who uses her Jeopardy! experience to expose us to World's Fairs-- in particular, the 1967 International and Universal Exposition. Later, enjoy a quiz on things that debuted at a World's Fair!

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[Music: 1) Young Canada Singers, "Expo 67 - Canada (The Centennial Song)," written by Bobby Gimby, 1967; 2) Frau Holle, “Ascending Souls,” 2017. Courtesy of Frau Holle, CC BY-NC 3.0 license.]