Frankfurt/M., Germany: The Schiller Oak <i>(Schiller-Eiche)</i>, planted in 1859 in the public park <i>Friedberger Anlage</i>
<a href="//commons.wikimedia.org/wiki/User:Frank_Behnsen" title="User:Frank Behnsen">Frank Behnsen</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>