When asked to point to North on a map, we point toward the top. Odds are, when you think of the word, you even associate it with “up.” (Unless, of course, you’re a “Game of Thrones” fan, then you might picture a fictional medieval family with very cool dogs and very, very bad luck.)

But why is North always “up”? Has it always been this way? If not, what was “up” before North? Does any of this matter in a digital age where directions are oriented in an instant?

These questions and more are answered by Jay Foreman and Mark Cooper-Jones, two comedians with a passion for geography who host a YouTube series called “Map Men.”