Le locations e le scene del film

Acadia National Park, Maine, USA
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Arches National Park, Utah, USA
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Crater Lake National Park, Oregon, USA
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Devils Tower National Monument, Wyoming, USA
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Everglades National Park, Florida, USA
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Glacier National Park, Montana, USA
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Grand Canyon National Park, Arizona, USA
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Grand Teton National Park, Wyoming, USA
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Hawai'i Volcanoes National Park, Hawaii, USA
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Katmai National Park, Alaska, USA
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Pictured Rocks National Lakeshore, Michigan, USA
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Redwood National Park, California, USA
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Tidal Basin, West Potomac Park, Washington, District of Columbia, USA
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Yellowstone National Park, Wyoming, USA
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Yosemite National Park, California, USA
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Zion National Park, Utah, USA
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