The museum is nestled in the bottom hills of the northern hill, where exactly the northern fort is located. It was commenced in 1979. The museum specifically comprises of ancient stone equipments and sculptures, which belong to the ancient times, between 6th to 16th centuries AD. The museum comprises of four galleries. It contains an open gallery in the portico and an open air gallery in front. The museum showcases the essence of Lord Shiva and Vishnu and can be visited between 10 am to 5 pm. The Open Air Museum is generally closed on Fridays. There is a subsidized entrance ticket is Rs 2/- per person and for children under 15 years there is no fee charged.