There are a hundreds of deer stones, ancient mounds, and ruined cities in Dornod province which witness the conclusion of historians that “Mongolia is the birthplace of rich history and culture”. One of them is the ruined city of Kherlen bars. It is located in the north of the Kherlen River and south east of the Baruun Duruu Lake in the Tsagaan – Ovoo soum and located 90 km from the east of the aimag center." The ruined city and tower of Kherlen Bars is the only historical value in the Central Asia left from Kidan period and is related to the history of the Kidan Empire which gained power during IX century in the B.C." It is said unofficially that the local people had Kidans scared from tigers and went back when they laid foundation here to build their capital city. That’s why it is said that the city was called as Kherlen Bars (bars means tiger). The scientists consider that this seven meter high tower was a watchtower of a city.