Ken Jennings is the ‘greatest of all time’ on the American television show Jeopardy! and the author of the New York Times bestseller Maphead: Charting the Wide, Weird World of Geography Wonks. He writes a weekly column on geographic oddities for Conde Nast Traveler.
Between June 2018 to February 2020, Mr. Jennings generously contributed geography trivia questions as part of this feature. You can take on some of the problems here!