The National Park Service is offering free entry at the 147 national parks that charge admission on June 20-21, July 18-19, and August 15-16! Now that’s a great deal!
USA Today article discussing free admission to the National Parks
Here’s a link to the National Park Service announcement: National Park’s Fee-Free Weekends
And, to top it off, some parks are offering little extras like Free Re-usable eco friendly bags, discounts on kayak tours at Channel Island National Park, specials on horseback rides at Glacier National Park, and more! Park Partners Welcome to Your Parks Offers