360° panorama by William l.
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At a trail junction to the Captain Jack's Stronghold in Lava Beds National Monument near Tulelake, California.  Captain Jack, who was part of the Modoc Indians, used the rugged lava landscape to ward off US Soldiers during the Modoc War of 1872-73.  Fortifications built during the war can still be seen amidst the arid desert floor, as well as unique lava ridges & depressions that served as excellent coverage.

http://www.360cities.net/image/captainjack