Askeran fortress can be seen in fourteen kilometers to the east from Stepanakert, has been built in 18 century. Protective constructions stretch for more than 1,5 km оn both sides of the river Karkar. In XVIII century it was subject to serious reconstruction and afterwards acquired its present look. The fortification has walls with thickness up to two and height up to nine meters, the round patrol towers connected by narrow corridors. The powerful and impenetrable structure was built to protect the land and the people.