Is there another country anywhere with so much diversity? The six million inhabitants of this nation of mountains and islands are spread over 463,000km2 of mountainous tropical forests and speak over 800 different languages (12 percent of the world total). Papua New Guinea occupies half of the third largest island in the world as well as 160 other islands and 500 named cays.

I’ve been on the road for 36 hours now, and I’m pretty much on the other side of the world from where I started back in rain drenched England. At last, I’m approaching the final legs of the journey—just a short one-hour flight to go.

Things have gone smoothly so far, I’m thinking, as I wander up to the check-in desk for the last leg of my trip. “The flights full,” the attendant tells me, “You’ll have to wait until tomorrow.

South Georgia is the most well-known of the Falkland Islands, also called Islas Malvinas. It lies nearly at the end of the world in the Southern Atlantic Ocean. To find this place on the map, draw an equilateral triangle with one vertex on Cape Horn and another on the Antarctic Peninsula. The third vertex in the east is our destination.

It’s an unsettled kind of morning on Chedabucto Bay of Canada’s east coast. The sun is shining—it’s really quite pleasant—but there’s a brisk wind blowing from the southwest. What that translates into here in the waters between Cape Breton Island and Nova Scotia is heavy seas. We’re pounding through four to six foot swells in a 25-foot rigid hull inflatable boat.