The Harshnath temple, belonging to the 10th century, is located on the Aravalli Hills near Sikar. It is an ancient site famous for the ruins old Shiva Temple (10th Century). The remnants of the ancient Shiva temple can be seen at the site. The architectural display of the old temple is breath taking. Another Shiva temple, constructed in the 18th century by Shiv Singh of Sikar, is situated near the Harshnath temple.