5. Glacier National Park
Hidden Lake in Glacier National Park. (Photo via Wikimedia Commons)
4. Great Smoky Mountains National Park
The forest canopy near Newfound Gap in the Great Smoky Mountains National Park. (Photo via Wikimedia Commons)
This is one great babbling brook right here. (Photo via Public Domain)
3. Biscayne National Park
Look at the size of this reef. That's a big reef. You're not gonna wanna miss out on this reef. (Photo via Wikimedia Commons)
2. Big Thicket National Preserve
When they say Big Thicket, they mean big thicket. (Photo via Wikimedia Commons)
You don't need a ticket to check out Big Thicket. (Photo via Wikimedia Commons)
1. Joshua Tree National Park
Bono must be impressed. (Photo via Wikimedia Commons)
Advocacy groups including the Coalition to Protect America's National Parks, National Parks Conservation Association, and Park Rangers for Our Lands are working to protect the National Parks System through education, fundraising, and policy efforts. The National Parks Service also offers a variety of in-park volunteer opportunities. Attend a volunteer event, or search for opportunities either through the .gov volunteer search engine, or by looking within a specific park.
