Front of the Cascades Volcano Observatory building in Vancouver, Washington State, USA.
Unknown (taken by or for the USGS)
<a rel="nofollow" class="external text" href="https://vulcan.wr.usgs.gov/Volcanoes/MSH/OpenHouse2005/Images/index.html">CVO Open House, May 21, 2005</a> (USGS)