World Hum on an Around the World Trip

Dear Rolf,

I’m planning a round-the-world trip, but I worry about transportation costs once I start traveling. Ideally, I would like to travel to most places overland, exploring along the way. However, civil unrest, war and such make that virtually impossible. Any suggestions about how to get around these obstacles without resorting to expensive flights . . . → Read More: World Hum on an Around the World Trip