Most of these images are legally protected by U.S. & International copyright laws and may NOT be downloaded or used for reproduction in any manner without the explicit authorization of the respective copyright holders.

In view album mode, if an image is not copyrighted, you will be given the option of downloading the image. These non-copyrighted images are royalty-free and their use is not limited. However, please credit the photograper and "National Park Service" where appropriate.