
Alaska: At 20,320 feet, Denali is the tallest mountain in North America. Alaska has more wilderness areas than the rest of the United States put together. Click through the gallery for more beautiful wilderness areas around the world.

Dry Tortugas National Park, Florida: Artist Rob Decker created the poster on the right as part of the National Park Poster Project, a body of work inspired by the Works Progress Administration (WPA) campaign in the late 1930s.

Patagonia, Chile: In Torres del Paine National Park, horse riders can go from estancia to estancia through ancient forests, emerald rivers and glacial carved valleys.

Namibia: In Namib-Naukluft National Park, dead trees stand out in the salt desert of Sossusvlei.

Northern Territory, Australia: The Chambers Pillar sandstone formation, 100 miles south of Alice Springs, is one of the top natural wonders in this part of Australia.

Fiordland, New Zealand: Wilderness doesn't get any more pristine than the medley of mountains, valleys, lakes and ocean that comprises Fiordland National Park on New Zealand's big South Island.

The Pyrenees, France and Spain: This mountain chain makes for an excellent wilderness getaway. The Cirque de Gavarnie (pictured) in southern France is one of the Pyrenees' most interesting natural sites.

Lapland (Finland, Norway and Sweden): Home to the nomadic Sámi people and their reindeer herds for around 3,500 years, the northern reaches of Finland, Norway and Sweden embrace Europe's single largest wilderness area.



