The US National Park Service (NPS) celebrated its 100th year anniversary on August 25, 2016. The creation of the great park system has been called called “the best idea we ever had.” by the famous writer and environmentalist Wallace Stegner. Below is a neat infographics on the parks from the WSJ:
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Source: How Economical Are Our National Parks?, WSJ, Aug 26, 2016
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Lake McDonald in Glacier National Park
Source: NPS
The National Park Service has a special web page dedicated to the celebration of the centennial which can be found here.
The Great Smoky Mountains national park receives the largest number of visitors in a year. I think this is because of the entertainment-related attractions like amusement parks that lie just outside the park.