Though this fascinating place is probably not the largest zoo in terms of acreage, it is sure the largest in terms of animal species and activities and structures inside the zoo.
This Zoo was opened in Berlin in 144. It is the oldest and one the best zoos in Germany and attracts a myriad of tourist every year to bathe in its beauty.
This zoo also one the largest collection of species and animals in the world in an area of around 84 acres. Some of the most popular inhabitants in the zoo include Bao Bao the Giant Panda and Knut the polar bear (unfortunately, Knut died unexpectedly in March 2011).