south central Idaho (), running along the west bank of the Snake River, this national park is home to a large collection of Hageraman Horse fossils. This paleontological site dates to the late Pliocene era and is known as the Hagerman Horse Quarry. The site contains many fossilized plants and animals and are considered some of the latest fossils from their era. In 1975, the archeological site was declared a National Natural Landmark by President Gerald Ford. The visitor center and museum for the park is in the town of Hagerman, Idaho, located on the east side of the Snake river, opposite the park. Developed locations for visitors to the monument and park are two overlook locations, one of the Snake river, and one overlooking a section of the historic Oregon Trail. Minidoka National Historic Site Located in south central Idaho (), this historic site remembers the 9,000+ Japanese Americans that were unjustly imprisoned at the Minidoka Internment Camp during World War II. The camp site was placed on the National Register of Historic Places on July 10, 1979. The site measures approximately . Nez Perce National Historical Park Established in 1965 and consisting of 38 individual locations spread across Idaho, Washington, Oregon, and Montana, the park preserves some of the lands originally home to the Nez Perce tribe of Native Americans. The Nez Perce National Historical Park Visitor Center () is home to a museum about the Nez Perce and their history. Since the park is spread across such as wide area, it includes several distinct ecosystems, climates and histories, each of which impacted the life of the Nez Perce. Yellowstone National Park Established by Congress in 1872, Yellowstone was the first national park established in the United States, and covers an area of ; it is regarded by some as the world's first national park. Yellowstone is renowned for its geothermal landscapes and features; Old Faithful geyser is located in the park and is a key attraction at the park. Much of Yellowstone is situated on four overlapping volcanic calderas, collectively known as the Yellowstone Caldera. This vast underground system is responsible for the volcanism and geothermal activity at the park. The Greater Yellowstone Ecosystem is one of the last remaining large, nearly intact ecosystems in the northern temperate zone of the Earth. While the park is widely known for its geothermal landscapes, it contains a vast area