During the excavations in the ancient site of Metsamor which is taking place more than fifty years, the citadel with palace and economic buildings, the unique shrines with alters, the “observatory” for viewing the celestial bodies , the “workshop” of smelters and foundries representing the complete cycle of metalworking, Early Bronze Age raw brick dwellings, with round plan, Late Bronze-Iron Age urban district and a huge tomb have been opened.
The collection of the museum consists of about 28.000 artefacts, 8.500 of which are on display in the main exhibition. It covers the Chalcolithic (Copper Stone) era, which lasted from the 5-4th mil BC to the 17-18th centuries AD-(Late Middle Ages). According to the showcases, present in detail the history of the old settlement, and also the military-political, economic, commercial, socio-cultural history of one of the most important cities of the Armenian Highlands. The museum also exhibits the reconstruction of the tomb of Late Bronze Age.
Unique luxury artefacts made of gold, tin, silver, amber, cornelian, paste are on desplay in a special underground exhibition hall. At the ancient site of Metsamor was found the oldest gold jewelry known on the territory of Armenia, which is displayed in the special hall of the museum.