Saturday, April 19, 2025, was the first day of National Park Week, an annual celebration of America’s 433 national parks. Admission to all parks was free that day, and many of the parks have ...

On March 1, 1872, Yellowstone National Park was established as the first national park in the United States and in the world, heralding an era of protecting and preserving not only the unique ...

Since its founding on August 25, 1916, the U.S. National Park Service has assembled 419 protected units, of which 62 hold the “national park” designation. To visit all 63 of these treasures ...