Калемегдан
Beo zoo vrt (), also known as Vrt dobre nade (Garden of good hope) is a zoo located in Kalemegdan Park, downtown of Belgrade, Serbia. Founded on July 12, 1936, it is considered to be one of the oldest public zoos in southeastern Europe. The zoo covers and it houses a collection of approximately 150 animal species, with close to 2,000 individuals, making it the largest collection in Serbia. It's also recognized as one of the most visited tourist attractions in Belgrade.