Nature Center is an inevitable place of school excursion, because it represents the best and most beautiful way to introduce children to the complex world of science. Nine exhibitions conceived and carefully so as to be adapted to all. Content of Natural History Center of Serbia consists of exhibitions that have not been seen in our country in this way: 1 “Geological Time Machine” is one of the most attractive exhibitions and is the origin of the Earth and its evolution through the ages until the foundation of man. Visitors experience a journey into the past through displays of geological history of the Earth from the Big Bang to the emergence of modern man. This is the evolution of the Earth through illustrative examples of geological eras and periods, as well as key events in the evolution of the living world.