At the bottom of Nhoi Mountain, there are many temples such as Bao Lai that was built in 1100 with Ly Dynasty Architecture Style. Tien Son temple has a lot of rocky statutes that appear in various kind of shapes such as elephants, horses, dragons, unicorns, staffs and officer of ancient government. Tien Son temple has a lot of sculptures, those sculptures were directly carved on Nhoi mountain. These sculptures held very important cultural and historical value. In addition, scientists have been discovered many ancient tools such as bronze hammers, bronze knives, and ancient skeletons.