Overlook and coffee drinking respite. The view is a bit underwhelming, perhaps if the city were a little more attractive...
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Iconic Bandar Lampung monument in roundabout.
Green Valley Tourist Park and Animal Park
Kind of second-rate amusement/water/zoological park in that animal and amusement upkeep isn't exactly optimal and the water is sometimes dirty. And you have to pay additional fees for certain attractions such as the water park and elephant rides after paying the general admission fee. Has ropes course, bumper cars, sun bears and deer on display, etc.
Water park and recreation center with futsal court. Food court.
Something like a hill station or viewpoint overlooking the city where you can get all your Instagram photos. Some also come to admire the sunsets.
Monkey Forest Tourism Park
Monkeys everywhere. Free opportunity to hang out with them and let them raid your belongings if you don't bring food (preferably healthy fruits and such).
Gallery hall of exhibits on the history and culture of Bandar Lampung and Lampung, including bronze work, ceramics, representative Sumatran dwellings, fauna dioramas, and weaponry.