The Friday File: Annual recreational visits to the 58 national parks totaled 75.3 million in 2015, surpassing the 1997 record of 69.5 million. On a per capita basis, however, visits have declined to 0.22 last year from 0.26 in 1995. The most popular park; Great Smokey Mountains National Park in Tennessee with 10.7 million visitors/year followed by the Grand Canyon with 5.5 million and Rocky Mountain National Park at 4.2.