Lava tube - natural conduits through which lava travels beneath the surface of a lava flow.

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Size: 4500px × 3000px
Location: Thurston Lava Tube in Hawaii Volcanoes National Park, Hawaii.
Photo credit: © Greg Gard / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: escapade, escape, exotic, formation, free, hawaii, lava, leisure, national, nps, oahu, park, relax, relaxing, thurston, time, tourism, tourist, travel, traveling, trip, tube, vacation, view, volcano, volcanoes