Come experience the national parks! On six days in 2021, all National Park Service sites that charge an entrance fee will offer free admission to everyone. Mark your calendar for these entrance fee–free dates in 2021:

• January 18: Birthday of Martin Luther King, Jr.
• April 17: First day of National Park Week
• August 4: One year anniversary of the Great American Outdoors Act
• August 25: National Park Service Birthday
• September 25: National Public Lands Day
• November 11: Veterans Day