See all Attractions in Rajgir Rajgir for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Cyclopean walls Rajgir, Bihar 803116, India About Cyclopean walls. Believed to be 2500 years old, these Cyclopean walls are a 40 km long and 4 meteres wide fortification running around the city. Add to Wish List