The National Park Service is capping its 110th anniversary with National Park Week, running August 22 through August 30, 2026, at more than 400 sites nationwide. The week's fee-free entry day — when parks that normally charge admission waive it for U.S. citizens and residents — fell on August 25, timed to the agency's actual birthday.
This year's theme
The 2026 theme, 'Celebrate America's Story,' ties into the broader 250th anniversary of the United States. The NPS is running a different theme each day of the week, from safety-focused programming to wildlife-watching events to a closing Junior Ranger Day.





