Kuh-e Zardan Castle
Iran · Asia
About
Kuh Zardan castle or Ghal'eh Kuh of Zardan (Persian: قلعه کوه زردان) is a historical castle located in Zirkuh County in South Khorasan Province, The longevity of this fortress dates back to the Nizari Ismaili state.
Adapted from Wikipedia (CC BY-SA)。Photography via Wikimedia Commons.