The sign for the Dueling grounds in <a href="https://en.wikipedia.org/wiki/Brentwood,_Maryland" class="extiw" title="w:Brentwood, Maryland">Brentwood, Maryland</a>.
Ben Jacobson (<a href="//commons.wikimedia.org/w/index.php?title=User:Kranar_drogin&amp;action=edit&amp;redlink=1" class="new" title="User:Kranar drogin (page does not exist)">Kranar Drogin</a>)
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>