1: It 's all part of National Park Week , happening April 18 through April 26 , and it 's hosted by the National Park Service and the National Park Foundation . 2: Check out night-time astronomy parties , daytime Revolutionary War programs , Earth Day parties and family-friendly Junior Ranger activities at national park sites across the country . 3: Stargazing , Revolutionary War programs and other fun happens this week .
1: National Park Week 2: night-time astronomy parties , daytime Revolutionary War programs , Earth Day parties and family-friendly Junior Ranger activities 3: Stargazing , Revolutionary War programs and other fun