This is "the museum of dinosaurs" because it houses the oldest paleontological collections in Argentina and includes numerous fossil pieces corresponding to fish, amphibians, reptiles (including dinosaurs!!) and a great variety of extinct mammals. But it is not the only thing, on its two floors, it will surprise you with thematic rooms: African mammals, paleontology, mysteries of the sea, infinite gaze, comparative osteology, Buenos Aires a million years ago, geology, malacology, 200 years of history , current mammals, Antarctica, amphibians and reptiles, arthropods and birds. Children under 6 years enter free and payment is made in cash only.