In 1872, before the U.S. had even seen its hundredth birthday, Yellowstone National Partk was established as the first National Park in the United States. Today, there are 59 National Parks in the United States and its territories.
The national parks of Canada are a source of pride for Canadians and an integral part of the country's identity, celebrating the beauty and infinite variety of the land.
National parks, biosphere reserves, ecological reserves, and marine underwater parks are part of the System of Natural Protected Areas in Mexico. National Parks may be created because of the scientific or historical value, or simply for they are appropriate for tourism development.