The house-museum of the brothers Orbeli, is dedicated to the Armenian scientists Ruben, Levon and Joseph Orbeli who were native of Tsaghkadzor. Professor Ruben Orbeli was the founder of marine archaeology and one of the major specialists of ocean engineering. Physiologist Levon Orbeli was a prominent member of the USSR and Armenian SSR academies of science. Scientist Joseph Orbeli was an orientalist specialized in medieval history of South Caucasus. He administered the Hermitage Museum of Saint Petersburg between 1934 and 1951.
