In the district of Guntur, the Nargarjuna Sagar Dam is declared as one of the largest dams in Asia as well the longest masonry dam of India. The dam was fully open in the year 1972. The beautiful sceneries attracts hundreds of tourists here every month. There are regular tours organised here and you can opt for one to view the working of the turbines and then boat along the Nagarjuna Lake till the Nagarjunakonda Island. Here there is a beautiful museum in which is housed a huge collection of antiques for you to know a little more about the history of the region. The other attractions here are the Ethiopiala Waterfalls and the Srisailam Wildlife resort. Boating is thus the main activity here.