The fascinating Junagarh fort was constructed by Raja Rai Singh, between 1588 -1593 AD. He was the sixth ruler of Bikaner who ruled here from 1571 to 1611 AD. The supervision of the construction of the fort complex was done by Karan Chand, Raja Rai Singh’s Prime Minister. The construction of Junagarh fort had started on 30th January 1589 and was completed on 17th February in the same year.