Thurston Lava Tube, Hawaii Volcanoes N.P., Big Island
Hawaii Volcanoes National Park has many cool features, not least the Thurston Lava Tube, a 550-year old tunnel through which molten lava once flowed.

Taken on June 15, 2009 at 01:06PM with a Olympus Imaging Corp. - E-620
f/3.5 at 1/4sec (iso 640), focal length: 14mm

Image Copyright © 2009 Jeremiah Blatz  

This work is licensed under a Creative Commons License.