[Expired]2022 Free Entrance Days in the National Parks
- nps.gov offers free entrance 2022 Free Entrance Days in the National Parks.
- January 17: Birthday of Martin Luther King, Jr.
- April 16: First day of National Park Week.
- August 4: Anniversary of the Great American Outdoors Act.
- September 24: National Public Lands Day.
- November 11: Veterans Day.