Looking for an unforgettable national park adventure this June? Travel enthusiast Sarah McDonagh has curated a list of 16 ...

(NEXSTAR) — The busiest months for America’s national parks are fast approaching ... of Haleakala volcano in Haleakala National Park on Hawaii’s island of Maui, Sunday, Jan. 22, 2017.

I visited all the major US national parks and ranked them based on factors like beauty and crowd size. My favorites include Grand Teton and Acadia.