April 4, 2013
Grand Canyon National Park, Arizona
Photograph by Corey Rich, Aurora
Most of the nearly five million people who visit Grand Canyon National Park each year simply take in the stunning views from the rim. The more adventurous descend the canyon and get up close to rock that dates back 1.8 billion years. Here, hikers traverse Deer Creek Trail, an overnight trip that’s one of the most popular routes in the park.
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