Since its founding on August 25, 1916, the U.S. National Park Service has assembled 419 protected units, of which 62 hold the ...

Beyond April 19, additional fee-free days are scheduled for later in the year, including June 19 (Juneteenth), August 4 ...

I've been to all 63 US national parks and ranked them from my least favorite to my top pick. I think parks like Congaree, Petrified Forest, and Channel Islands are best suited for a day trip.