One of the most mysterious Shiva temples is Lakhamandal, Uttarakhand. The temple has links to the Mahabharata. It's an ASI protected site. Lakhamandal means "a lakh Shiv lingas." Located at a distance of 125 km from Dehradun, the temple is estimated to have been built in the 12th-13th CE. The Shiv Lingas at Lakhamandal were worshipped by the Pandavas.