National Park Week, April 17-25

Celebrate National Park Week by visiting one or more of the nation's 392 National Parks for free Saturday, April 17 - Sunday, April 25, 2010. On Saturday, April 24, National Junior Ranger Day, children can take part in kid-friendly activities and earn a junior ranger patch. National parks are also hosting special events and volunteer projects on Earth Day, April 22, and throughout the week.