America realised in time that her wild places were disappearing under the pressure of civilisation. Parks and wildlife sanctuaries were established ensuring that spectacles such as magnificent herds of buffalo, the rare, beautiful Pronghorn Antelopes, and the awe-inspiring Grand Canyon should remain for all to see.

A Russian expedition travels to various islands in search of animals developed in isolation, such as the flightless birds of New Zealand and the marsupials of Australia. The expedition also finds other animals that have managed to survive the enveloping wave of civilisation: the Komodo Dragon and the prehistoric Tuatara.