Starting with a single Alaskan Husky named Derby, Kenth Fjellborg built a dogsled-touring empire that attracts 5,000 would-be mushers a year to a frozen patch of tundra 100 miles north of the Arctic Circle. And he's not afraid to yell at you in bad words.

It's in the middle of nowhere, populated by quirky sheep farmers, and just a footnote in British military history. But the world is finally discovering what Darwin found out 176 years ago: The Falkland Islands are one of the last great wildlife destinations on the planet.

Expat conservationist John Cain Carter, a former elite Army soldier who did a tour in Iraq, is anything but typical. Same goes for his plan, which calls on ranchers to preserve Brazil's wild west. Can he have it both ways and still save—and survive—the Amazon?

Guess who's hot in Hollywood? Will Steger. With producers suddenly primed to make environmental films, the legendary polar explorer hit L.A. with a scary pitch about global warming—and he was a smash.

Strap in for a road trip through the Himalayan kingdom of Bhutan with Robert Thurman—Uma's dad and one of the planet's most magnetic Buddha boosters—and get set for stunning scenery, harrowing S-curves, and face time with the wild side of your soul.

There's something about New Zealand—and it's not just the soaring mountains, the red-hot culture, or the world-class Kiwi wines. Stephanie Pearson goes in search of the adventure gene that inspires four million enlightened souls and makes NZ's islands a heaven for travelers.