El Zamuro Fort of Ciudad Bolívar in Venezuela.
<a href="//commons.wikimedia.org/wiki/User:Guillermo_Ramos_Flamerich" title="User:Guillermo Ramos Flamerich">Guillermo Ramos Flamerich</a>
CC BY 2.5
<span class="int-own-work">Self-photographed</span> - <i>I take it in January, 2007</i>