A building in Downtown <a href="//commons.wikimedia.org/wiki/Pittsburgh" title="Pittsburgh">Pittsburgh</a>.  I believe that this is <a href="https://en.wikipedia.org/wiki/One_PNC_Plaza" class="extiw" title="w:One PNC Plaza">One PNC Plaza</a>. Located at 5th Avenue and Wood Street.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Downtown_Pittsburgh_May_2005.jpg" class="mw-redirect" title="File:Downtown Pittsburgh May 2005.jpg">Downtown_Pittsburgh_May_2005.jpg</a>: Allie Caufield</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:GrapedApe" title="User:GrapedApe">GrapedApe</a> (<a href="//commons.wikimedia.org/wiki/User_talk:GrapedApe" title="User talk:GrapedApe"><span class="signature-talk">talk</span></a>)</li></ul>
CC BY 2.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:Downtown_Pittsburgh_May_2005.jpg" class="mw-redirect" title="File:Downtown Pittsburgh May 2005.jpg">Downtown_Pittsburgh_May_2005.jpg</a></li></ul>