Kamenny Monastery - Credit: Wikimedia Commons
Kamenny Monastery (Russian: Спасо-Преображенский Свято-Каменный монастырь) was the name of a Russian Orthodox monastery situated on a small eponymous island in the very centre of the Kubensky Lake, in Ust-Kubinsky District of Vologda Oblast, Russia. It is distinguished as the first stone monastery of the Russian North. Read more on Wikipedia
Source: en.wikipedia.org