There will be no charge for any National Parks this week from April 16 to April 24, according to the National Park Service.
Arizonans will be able to go to attractions such as Saguaro National Park, Sunset Crater Volcano, the Petrified Forest and the Grand Canyon for free.
The week is part of a presidential proclamation that encourages people to enjoy and learn about the National Park Service.
National Park week will also feature Earth Day celebrations on April 22 and volunteer opportunities.
For more information on National Park week, go to http://1.usa.gov/1VsbPxL. To find out more on the National Park Service go to http://1.usa.gov/20EROmJ.
