The World's first national park: Yellowstone National Park
Yellowstone National Park is a national park in the United States. It was the world's first national park.United States President Ulysses S. Grant signed a law to create it. The name was taken from the Yellowstone River, which flows through the park. Yellowstone was made a UNESCO World Heritage Site in 1978.
Yellowstone National Park is famous for its geysers and hot springs. The park contains about half the world's geysers.The world's most famous geyser, the Old Faithful Geyser, is in Yellowstone National Park. It also is a home to grizzly bears, wolves, bison and elk. Many tourists visit the park each year to see the geysers and animals there.
The park is the center of the Greater Yellowstone Ecosystem. This is the largest remaining nearly intact ecosystem in the Earth's northern temperate zone. It includes many types of ecosystems, but the biggest is the subalpine forest.