National Park entrance fees waived

Mark your calendar for fee-free days this year:

September 24, 2011 (Public Lands Day)
November 11-13, 2011 (Veterans Day Weekend)

https://savelv.com/national-park-service-will-waive-entrance-fees-4/

We knew nothing of this deal. We just happened to be at Yellowstone on the 24th as part of our 5400 mile trip. It got so packed with people we left earlier than planned.