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.
Yellowstone National Park - 1872Grant 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.
A bill creating the first national park, Yellowstone, was signed into law by President Ulysses S. Grant in 1872, followed by Mackinac National Park in 1875 (decommissioned in 1895), and then Rock Creek Park (later merged into National Capital Parks), Sequoia and Yosemite in 1890.
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.
Snowdonia National Park, at 2,142 square kilometres (827 sq mi), is the largest national park in Wales and the third largest in the United Kingdom. The smallest national park in England and Wales, and in the United Kingdom, is The Broads, at 303 square kilometres (117 sq mi).