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1 of 10Yosemite National Park, Aug. 18, 2015Jesse Allen—NASA -
2 of 10Colorado National Monument, Apr. 2, 2012Jesse Allen—NASA -
3 of 10Redwood National Park, Feb. 6, 2003Jesse Allen—NASA -
4 of 10Hot Springs National Park, Jun. 13, 2013Jesse Allen—NASA -
5 of 10White Sands National Monument, Jun. 27, 2009Jesse Allen—NASA -
6 of 10Shenandoah National Park, Oct. 13, 2010Jesse Allen—NASA -
7 of 10Grand Staircase-Escalante National Monument, May 15, 2015Jesse Allen—NASA -
8 of 10Big Bend National Park, May 10, 2002Jesse Allen—NASA -
9 of 10Joshua Tree National Park, May 28, 2003Jesse Allen—NASA -
10 of 10Hells Canyon National Recreation Area, Sept. 19, 2002Jesse Allen—NASA
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