The US national park system is often called America's best idea. Last year, visitation to the parks reached a record 331 million visitors. The new Secretary of the Interior marked this achievement in a press release given during a visit to at Glacier National Park, at which he also met with members of the Blackfoot Nation.
Secretary Zinke Announces Record Visitation to America’s National Parks
Press Release from the Office of the Secretary, US Department of the Interior
March 10, 2017