Located in Xinaili Township, Lingjie is a large group of ancient tombs. It served as the family burial ground for the 5th to the 13th Dukes of Zhenguo of the Horqin Banner in the Qing Dynasty, who also held the post of Jasak (Banner Chief) of the Right Rear Banner.
Famous far and wide, the cemetery features a grand scale and magnificent buildings. A merit commemorative stele erected by the 13th Duke of Zhenguo still remains here. Local Mongolian people regard Lingjie as a sacred place.