He was the head of 1939 excavations that uncovered the Urartian fortress of Teishebaini in Armenia (known in Armenian as Karmir Blur, or Red Hill).
Argishti left a similar inscription at the Urartian capital of Tushpa (current-day Van) as well, stating that he brought 6,600 prisoners of war from Khate and Tsupani to populate his new city.
Located 1 km east of Horom and situated upon two large hills south of the main road and opposite of the dam and reservoir is the ancient Bronze Age through Urartian Citadel of Horom.
In 1950, he was appointed the director of an excavation team that dug up the ancient Urartian fortress of Erebuni, located to the southeast of modern-day Yerevan.
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He was the head of an excavation team that was responsible for the excavations of the ancient Urartian city of Erebuni (situated on Arin Berd, or Blood Fortress, in Yerevan).
These were followed by the Hittite, Greek and Urartian civilisations of Asia Minor, Elam in pre-Iranian Persia, as well as the civilizations of the Levant (such as Ebla, Ugarit, Canaan, Aramea, Phoenicia and Israel), Persian and Median civilizations in Iran, North Africa (Carthage/Phoenicia) and the Arabian Peninsula (Magan, Sheba, Ubar).
The German scholar Friedrich Eduard Schulz, who discovered the Urartian inscriptions of the Lake Van region in 1826, made copies of several cuneiform inscriptions at Tushpa, but made no attempt at decipherment.
Inspired by the writings of the medieval Armenian historian Movses Khorenatsi (who had described Urartian works in Van and attributed them to the legendary Ara the Beautiful and queen Semiramis), the French scholar Jean Saint-Martin suggested that his government send Friedrich Eduard Schulz, a German professor, to the Van area in 1827 on behalf of the French Oriental Society.