History of Wyoming men. In 1871, Ferdinand Vandeveer Hayden led a formal geological survey of the area, the result of which ultimately convinced Congress to set aside the region. Yellowstone National Park became the world's first National Park in 1872. In August 1886, the U.S. Army was given administration of the park. In 1917, administration of the park was transferred to the new National Park Service. Hundreds of structures have been built and are protected for their architectural and historical significance, and researchers have examined more than 1,000 archaeological sites. Most of Yellowstone National Park is located in Wyoming. Wyoming is also home
Thy National Park Thy National Park Thy National Park () is a national park area in Thy, Denmark, opened to the public on 22 August 2008. It is located in Northwest Jutland, along the coast from Hanstholm to Agger Tange and it spans north to south and east to west. The total area of the national park is 244 km (94 square miles). The dune and heath landscape of Thy was officially selected on 29 June 2007 to be the first national park in Denmark proper (Northeast Greenland National Park was established in 1974). Other national parks have been established later. The governmental