NATIONAL PARK PASS - This official National Park Service Pass allows you free admission to every National Park Service site in the U.S. (including U.S. Territories). Good for national parks, monuments, historic sites, seashores, lands overseen by the BLM and Fish and Wildlife Service, etc. Since many national parks now charge $10 or $20 per vehicle, this pass quickly pays for itself. Buy the pass from us and proceeds go directly to Great Smoky Mountains National Park! Good for one year from date of purchase.