See all Attractions in Rajgir Rajgir for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Cyclopean walls 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