Yellowstone National Park - 1872On March 1, 1872, President Ulysses S. Grant designated Yellowstone as the first national park in the United States and the world. Today, the park is home to the world's largest collection of geysers, including the iconic Old Faithful.
Established in 1872, Yellowstone National Park is not only the oldest national park in the United States but also in the world. It is also one of the largest, and probably the best-known, national parks in the United States.
The largest national park is Wrangell–St. Elias in Alaska: at over 8 million acres (32,375 km2), it is larger than each of the nine smallest states. The next three largest parks are also in Alaska.
From the book: “In 1872 the United States Congress created at Yellowstone in Wyoming the world's first national park. Three years later Mackinac Island, Michigan, became the site of the second.
Many mistakenly think America's Yellowstone National Park is the oldest in the world but there's one that was created a century earlier. Established by the Mongolian government in 1778, the area surrounding Bogd Khan Uul Biosphere Reserve is actually the oldest in the world.