Kondyor Massif, Russia by NASAJPL on Flickr.
This is neither an impact crater nor a volcano. It is a perfect circular intrusion, about 10 km in diameter with a topographic ridge up to 600 m high. The Kondyor Massif is located in Eastern Siberia, Russia, north of the city of Khabarovsk.
My grandmother’s in Russia right now I’m so jealous ugh