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
George Washington Memorial Park (Jackson, Wyoming) added to the antler arches the same year. George Washington Memorial Park (Jackson, Wyoming) George Washington Memorial Park is located at the center of Jackson, Wyoming. More generally known as "Town Square", the park is notable for its elk-antler arches at each corner of the park, collected from the nearby National Elk Refuge by Boy Scouts and periodically rebuilt. The square originally existed as an open space in the center of town that was made into a park in 1934. The park center also contains a stone memorial to John Colter. The Town Square originated as an open space in