The "nondescript office building" at 1990 K Street NW in Washington DC. Designed in the late 1970s by architect Vlastimil Koubek. Featuring the logo of Autism Speaks, whose DC lobbying arm is based here.
<a href="//commons.wikimedia.org/wiki/User:Visviva" title="User:Visviva">Visviva</a>
<span class="int-own-work" lang="en">Own work</span>