An Inside Look at Hawaii's National Park Sites (and How to Celebrate the Centennial)

The National Parks Service is commemorating its 100-year anniversary in 2016, prompting travelers from across the U.S. to explore the nation’s pristine forests and parklands. If you’re looking for a tropical alternative to popular spots like Yellowstone and Yosemite, consider checking out these eight Hawaiian National Park sites.—Margot Bigg