Krak des Chevaliers, a Crusader castle in Syria, one of the most important preserved medieval castles in the world. The castle sits atop a 650-m-high hill east of Tartus, in the Homs Gap, Talkalakh, Syria.
<a href="//commons.wikimedia.org/wiki/User:Argenberg" title="User:Argenberg">Vyacheslav Argenberg</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>