6Kluane/Wrangell-St Elias/Glacier Bay/Tatshenshini-Alsek, Canada/USA
Date of Inscription: 1979 (Extended 1992, 1994)

This is one of the last remaining places on Earth where natural evolutionary and environmental changes control ecological processes.Populations of animals endangered elsewhere, like grizzly bears and Dall sheep, self-regulate and thrive in this untainted environment.