In the L'Enfant Plaza parking garage. 
<ul><li>Taken June 5, 2004 by <a href="//commons.wikimedia.org/w/index.php?title=User:SPUI&amp;action=edit&amp;redlink=1" class="new" title="User:SPUI (page does not exist)">User:SPUI</a>.</li></ul>
 
<a href="//commons.wikimedia.org/w/index.php?title=User:SPUI&amp;action=edit&amp;redlink=1" class="new" title="User:SPUI (page does not exist)">SPUI</a>
<span class="int-own-work" lang="en">Own work</span>