Best national park photos of 2015

These stunning images look to highlight the amazing natural beauty that can be found across the United States. The U.S. Department of the Interior recently released its Best of 2015 list, featuring a variety of animals, weather conditions and landmarks. Included in the list are gleaming auroras, adorable groups of otters and owls, and breathtaking shots across the likes of the Grand Canyon and national parks.

Each of the spectacular shots was taken during 2015, was featured on the Department of the Interior's Instagram account and was taken by both members of staff and members of the public. (Caters News)

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