http://www.youtube.com/watch?v=0ykvO8UN3g0

On August 25th this year, the United States National Park Service will turn 100 years old, and this week, from April 16th to the 24th, it’s National Park Week, when the US celebrates its natural and cultural heritage with special events and free admission to any national park.

Read more here, and visit a park near you this week!