Golubac 12223, Serbia
Easily one of the best places to visit from Belgrade, Golubac Fortress makes an immediate impression when you first see it. Resting on the banks of the Danube River at the entrance to the Đerdap Gorge, this 14th century fortress has the benefit of some impressive surroundings. But this complex and its ten towers would look like it belongs in a fairytale no matter what its surroundings were. Golubac fortress was strategically vital for centuries thanks to its riverside position, today visitors can enjoy those same views of the river from the towers in the fortress. Inside, travelers can see exhibits that detail the history of the fortress through stories of failed conquests and recently unearthed artifacts.