Kazan Kremlin

"The Kazan Kremlin (Russian: Казанский Кремль; Tatar Cyrillic: Казан кирмәне, Latin: Qazan kirmäne) is the chief historic citadel of Tatarstan, situated in the city of Kazan. It was built on behest of Ivan the Terrible on the ruins of the former castle of Kazan khans. It was declared a World Heritage Site in 2000." - Wikipedia