<a href="https://en.wikipedia.org/wiki/Sandstone" class="extiw" title="w:Sandstone">Sandstone</a> cliff at <a href="https://en.wikipedia.org/wiki/Starved_Rock_State_Park" class="extiw" title="w:Starved Rock State Park">w:Starved Rock State Park</a>, <a href="//commons.wikimedia.org/wiki/Utica,_Illinois" class="mw-redirect" title="Utica, Illinois">Utica, Illinois</a>.
Michael Jeffords
Attribution
<a rel="nofollow" class="external free" href="http://www.fhwa.dot.gov/byways/photos/58691">http://www.fhwa.dot.gov/byways/photos/58691</a>