Naryn Castle
Russia · Europe
About
Naryn-Kala (Russian: Нарын-кала) is an ancient pre-Arab citadel, part of the Derbent fortress, connected to the Caspian Sea by double walls designed to block the so-called Caspian gates to the Persian state. It is included in the UNESCO World Heritage List.
Adapted from Wikipedia (CC BY-SA)。Photography via Wikimedia Commons.