On Sunday I explained to some friends what Xenophon's Anabasis was all about because I have a map hanging on the wall with the Greek army's movements. Most people can't find the familiar oceans, don't recognize the Latin names and cities, so they're always baffled.
All this to say: Print out a black-and-white map of something you like, mark some stuff on it, and put it up where visitors can see it. A great conversation starter.
At least, if they want to hear about the ancient Greek mercenaries trapped deep in Persian territory. 😅
https://en.wikipedia.org/wiki/Anabasis_(Xenophon)