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
Pang Sida National Park Pang Sida National Park Pang Sida National Park is a national park in the Sankamphaeng Range, covering 844 square kilometres in the eastern Thai province of Sa Kaeo. It is 28 kilometres north of Sa Kaeo City, the capital of the province. Together with Khao Yai National Park, Thap Lan National Park, Ta Phraya National Park and the Dong Yai Wildlife Sanctuary, it constitutes a part of the Dong Phayayen Forest Complex UNESCO World Heritage Site, covering in total around 6,100 square kilometers. One of the highlights of the park is Pang Sida waterfall. From information collected in 2000 the