Yellowstone National Park is one of the largest National Parks in the US. It has an area of 3,472 sq miles (8,991 square kilometers). The National Park is even larger than Rhode Island and Delaware.
Yellowstone National Park is the oldest National Park in the US. It was established in 1872.States covered - Wyoming, Idaho, and Montana.
There are more than 500 natural Geyser springs in the Yellowstone National Park.
Yellowstone National Park is a UNESCO World Heritage Site.
There are about 300 waterfalls in the Yellowstone National Park.
Beneath the National Park in northwest Wyoming is one of the largest active volcanoes on earth, the Yellowstone Supervolcano.
Yellowstone Lake inside the park has an area of 132 square miles (342 square kilometers).
Yellowstone National Park is home to about 300 species of birds.
Some of the large animals in the National Park are Grizzly Bear, Gray Wolf, American Bison, Moose, etc.