Australia has a stunt double in Mad Max: Fury Road and it's home to some of the most incredible scenery in the world.
Completing this 65-kilometre track in summer is a rite of passage. In winter, it's a crucible.
These are the rapids that have daunted even whitewater Olympians.
The Upper Navua River is Fiji's best-kept secret.
For 100 years, there has only been one national park in Switzerland. But that is almost certainly about to change.