Cathedral of the Nativity of the Theotokos, Suzdal - Credit: Wikimedia Commons
The Cathedral of the Nativity of the Theotokos in Suzdal, Russia, is a World Heritage Site. It is one of the eight White Monuments of Vladimir and Suzdal and one of the most complex monuments of Russian medieval architecture. It was originally constructed during the reign of Vladimir II Monomakh in the late 11th century. Read more on Wikipedia
Source: en.wikipedia.org