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Grand Canyon Safari

Peering over the North Rim of Arizona's Grand Canyon into a mile-deep chasm that stretches 18 miles across, Casey begins his trek into the Southwest desert of the United States. Trailhead signs warn unprepared hikers of death from dehydration, exposure and exhaustion, but life in the desert is no picnic for the animals that live here, either. The plants and animals in this landscape have evolved to respond to the unique demands of the desert.