National Park recreational visits dipped 3% in one of the park system’s busiest months to 38,864,035 from 39,331,983 and are down 5% year-to-date to 138,272,703 from 144,926,371. Among parks with more than 100,000 visitors, Hawaii Volcanoes NP posted the largest gain, increasing more than 20-fold ... Log in to view full article.