 Sisian is surrounded with many historical sites dating back to the Paleolithic Age as well as the early Bronze Age.The Ughtasar Petroglyphs being one of the largest ancient petroglyph sites in the world dating back to the 12th millennium BC, are located few kilometers north of Sisian.The Zorats Karer archaeological site -often referred to in international tourist lore as the "Armenian Stonehenge"- of the 3rd millennium BC is located 3 km north of Sisian.