On the way to the Grand Canyon, we flew over the Hoover Dam.  Not a great shot as we were going through some turbulence at the time lol !
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/24874528@N04">Airwolfhound</a> from  Hertfordshire, UK
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/24874528@N04/14044773428/">Hoover Dam - Explored :-)</a>