The Geneva Museum of Natural History is the largest museum of its kind in Switzerland, covering five floors and covering an area of 10,000 square metres. The place contains a collection of all Swiss plants and animals, as well as some plants and animals from different regions around the world, and some exotic animals such as the two-headed Janus turtle. And you will need several hours to see this huge museum in its entirety. But you are sure to have a great time.