The building construction of Pygmy Hippo House was finished in 1970s. However, it was not open for public until 2002, when the house went through a complete reconstruction.

The interior was adjusted to meet the proper welfare conditions for animals and represent the design of the tropical rain forest in the natural habitat of pygmy hippos in Africa. At the same time the outdoor area was extended and rearranged - the sand surface was substituted for grass and complemented with small ponds.