Hey all.. Found a useful website that shows what days are free to get into national parks. Might help ya save some money on your next vacation
Here are the dates if anyone's interested:
January 16: Martin Luther King Jr. Day
February 20: Presidents' Day
April 15-16 and 22-23: Weekends of National Park Week
August 25: National Park Service Birthday
September 30: National Public Lands Day
November 11-12: Veterans Day Weekend