Fee Free National Park Weekends this summer

Link: http://www.nps.gov/findapark/feefreeparks.htm

Mark your calendars for fee-free weekends this summer:

June 20-21, 2009 (Father’s Day weekend)
July 18-19, 2009
August 15-16, 2009

Link to the parks' list: http://www.nps.gov/findapark/feefreeparksbystate.htm