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Wilderness

Hawaii Volcanoes National Park Location: Hawaii Volcanoes National Park, HI Length: 150 miles Difficulty: Easy to moderate Features: Rainforest, volcanic landscapes, sulfure

Joshua Tree National Park Location: San Berndardino, CALength: 794,000 acresDifficulty: ModerateFeatures: camping, hiking, climbing, birdwatching, geological features About the Joshua

Kenai Fjords National Park Location: Kenai Peninsula Borough, Alaska Length: 4.5 miles Difficulty: Difficult Features: icefield, glaciers, fjords, terrestrial mammals, marine mammals   About the